Bump ssri from 5.1.0 to 5.3.0

Bumps [ssri](https://github.com/zkat/ssri) from 5.1.0 to 5.3.0.
- [Release notes](https://github.com/zkat/ssri/releases)
- [Changelog](https://github.com/zkat/ssri/blob/latest/CHANGELOG.md)
- [Commits](zkat/ssri@v5.1.0...v5.3.0)

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

Author: dependabot[bot]

yarn.lock

@@ -6345,10 +6345,14 @@ rx@4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/rx/-/rx-4.1.0.tgz#a5f13ff79ef3b740fe30aa803fb09f98805d4782"
 
-safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
+
 sass-flex-mixin@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sass-flex-mixin/-/sass-flex-mixin-1.0.3.tgz#a504d62062f7b0e773aebc395de1f45aaa6e4fd0"
@@ -6845,10 +6849,10 @@ sshpk@^1.7.0:
     tweetnacl "~0.14.0"
 
 ssri@^5.0.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/ssri/-/ssri-5.1.0.tgz#2cbf1df36b74d0fc91fcf89640a4b3e1d10b1899"
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-5.3.0.tgz#ba3872c9c6d33a0704a7d71ff045e5ec48999d06"
   dependencies:
-    safe-buffer "^5.1.0"
+    safe-buffer "^5.1.1"
 
 stackframe@^1.0.3:
   version "1.0.4"
@@ -6887,10 +6891,6 @@ stealthy-require@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/stealthy-require/-/stealthy-require-1.1.1.tgz#35b09875b4ff49f26a777e509b3090a3226bf24b"
 
-stickyfill@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/stickyfill/-/stickyfill-1.1.1.tgz#39413fee9d025c74a7e59ceecb23784cc0f17f02"
-
 stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"