Bump semver from 7.3.7 to 7.5.3 in /extensions/css-language-features (microsoft#187107)

Bumps [semver](https://github.com/npm/node-semver) from 7.3.7 to 7.5.3.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/main/CHANGELOG.md)
- [Commits](npm/node-semver@v7.3.7...v7.5.3)

---
updated-dependencies:
- dependency-name: semver
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

extensions/css-language-features/yarn.lock

@@ -34,9 +34,9 @@ minimatch@^5.1.0:
     brace-expansion "^2.0.1"
 
 semver@^7.3.7:
-  version "7.3.7"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.7.tgz#12c5b649afdbf9049707796e22a4028814ce523f"
-  integrity sha512-QlYTucUYOews+WeEujDoEGziz4K6c47V/Bd+LjSSYcA94p+DmINdf7ncaUinThfvZyu13lN9OY1XDxt8C0Tw0g==
+  version "7.5.3"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.5.3.tgz#161ce8c2c6b4b3bdca6caadc9fa3317a4c4fe88e"
+  integrity sha512-QBlUtyVk/5EeHbi7X0fw6liDZc7BBmEaSYn01fMU1OUYbf6GPsbTtd8WmnqbI20SeycoHSeiybkE/q1Q+qlThQ==
   dependencies:
     lru-cache "^6.0.0"