Bump dart-lang/setup-dart from 1.6.0 to 1.6.2

Bumps [dart-lang/setup-dart](https://github.com/dart-lang/setup-dart) from 1.6.0 to 1.6.2.
- [Release notes](https://github.com/dart-lang/setup-dart/releases)
- [Changelog](https://github.com/dart-lang/setup-dart/blob/main/CHANGELOG.md)
- [Commits](dart-lang/setup-dart@b64355a...fedb126)

---
updated-dependencies:
- dependency-name: dart-lang/setup-dart
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -21,7 +21,7 @@ jobs:
         sdk: [dev]
     steps:
     - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-    - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+    - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
       with:
         sdk: ${{ matrix.sdk }}
     - id: install
@@ -44,7 +44,7 @@ jobs:
         sdk: ['3.0', dev]
     steps:
     - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-    - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+    - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
       with:
         sdk: ${{ matrix.sdk }}
     - id: install