Update dependency terser to v5.39.0 (#3811)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [terser](https://terser.org) ([source](https://redirect.github.com/terser/terser)) | [`5.38.1` -> `5.39.0`](https://renovatebot.com/diffs/npm/terser/5.30.3/5.39.0) | [![age](https://developer.mend.io/api/mc/badges/age/npm/terser/5.39.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/terser/5.39.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/terser/5.30.3/5.39.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/terser/5.30.3/5.39.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>terser/terser (terser)</summary>

### [`v5.39.0`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5390)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.38.2...v5.39.0)

-   Remove unnecessary `console.assert` calls ([#&#8203;1590](https://redirect.github.com/terser/terser/issues/1590))

### [`v5.38.2`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5382)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.38.1...v5.38.2)

-   internal: Flatten inheritance tree for object/class members

### [`v5.38.1`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5381)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.38.0...v5.38.1)

-   Fix inlining non-call expressions into an `optional_call?.()`

### [`v5.38.0`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5380)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.37.0...v5.38.0)

-   Remove `console` method-of-method calls (eg `console.log.apply()`) when `drop_console` option is used ([#&#8203;1585](https://redirect.github.com/terser/terser/issues/1585))
-   Remove more object spreads, such as `{ ...void !0 }` ([#&#8203;1142](https://redirect.github.com/terser/terser/issues/1142))

### [`v5.37.0`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5370)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.36.0...v5.37.0)

-   Reserved object properties from chrome extensions (domprops)
-   Fix semicolon insertion between a class property without a semicolon `a` and a computed class property `["prop"]`

### [`v5.36.0`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5360)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.35.0...v5.36.0)

-   Support import attributes `with` syntax

### [`v5.35.0`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5350)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.34.1...v5.35.0)

-   Ensure parent directory exists when using --output on CLI ([#&#8203;1530](https://redirect.github.com/terser/terser/issues/1530))

### [`v5.34.1`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5341)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.34.0...v5.34.1)

-   bump the rollup devDependency to disable CVE warnings (Terser was not affected)

### [`v5.34.0`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5340)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.33.0...v5.34.0)

-   internal: stop assigning properties to objects they don't belong in
-   internal: run compress tests in parallel
-   `drop_console`: emit an empty function if the return value of `console.METHOD(...)` may be called.

### [`v5.33.0`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5330)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.32.0...v5.33.0)

-   `reduce_vars` improved when dealing with hoisted function definitions ([#&#8203;1544](https://redirect.github.com/terser/terser/issues/1544))

### [`v5.32.0`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5320)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.31.6...v5.32.0)

-   `import("module")` can now be input and output from ESTree AST ([#&#8203;1557](https://redirect.github.com/terser/terser/issues/1557))
-   `BigInt` literals can now be input and output from ESTree AST ([#&#8203;1555](https://redirect.github.com/terser/terser/issues/1555))
-   `typeof` an object or array (`typeof {}` and `typeof []`) can now be statically evaluated. ([#&#8203;1546](https://redirect.github.com/terser/terser/issues/1546))

### [`v5.31.6`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5316)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.31.5...v5.31.6)

-   Retain side effects in a `case` when the expression is a sequence (comma) expression

### [`v5.31.5`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5315)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.31.4...v5.31.5)

-   Revert v5.31.4, which created mysterious issues [#&#8203;1548](https://redirect.github.com/terser/terser/issues/1548), [#&#8203;1549](https://redirect.github.com/terser/terser/issues/1549)

### [`v5.31.4`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5314)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.31.3...v5.31.4)

-   drop_unused: drop classes which only have side effects in the `extends` part

### [`v5.31.3`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5313)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.31.2...v5.31.3)

-   drop_unused: drop unused parameters from IIFEs in some more situations.

### [`v5.31.2`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5312)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.31.1...v5.31.2)

-   drop_unused: scan variables in self-referential class declarations that contain side effects.
-   Don't add parens to arrow function when it's the default for an argument ([#&#8203;1540](https://redirect.github.com/terser/terser/issues/1540))
-   Update domprops ([#&#8203;1538](https://redirect.github.com/terser/terser/issues/1538))

### [`v5.31.1`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5311)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.31.0...v5.31.1)

-   Allow drop-unused to drop the whole assignment (not just the assigned name) in more situations, in order to avoid duplication of long strings.

### [`v5.31.0`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5310)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.30.4...v5.31.0)

-   Sync up property mangler exceptions with current contents of Firefox and Chrome environments
-   Add more webcomponent properties to property mangler exceptions ([#&#8203;1525](https://redirect.github.com/terser/terser/issues/1525))
-   Drop non-nullish constants in `...spreads` in objects ([#&#8203;1141](https://redirect.github.com/terser/terser/issues/1141))

### [`v5.30.4`](https://redirect.github.com/terser/terser/blob/HEAD/CHANGELOG.md#v5304)

[Compare Source](https://redirect.github.com/terser/terser/compare/v5.30.3...v5.30.4)

-   Fix parsing `#private in ...` when next to other operators

</details>

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packages/next/package.json

@@ -298,7 +298,7 @@
     "strip-ansi": "7.1.0",
     "tar": "7.1.0",
     "taskr": "1.1.0",
-    "terser": "5.38.1",
+    "terser": "5.39.0",
     "text-table": "0.2.0",
     "timers-browserify": "2.0.12",
     "tty-browserify": "0.0.1",