Bump sinon from 20.0.0 to 21.0.0 in /vscode (#3605)

Bumps [sinon](https://github.com/sinonjs/sinon) from 20.0.0 to 21.0.0.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/main/docs/changelog.md)
- [Commits](https://github.com/sinonjs/sinon/commits)

---
updated-dependencies:
- dependency-name: sinon
  dependency-version: 21.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

vscode/package.json

@@ -820,7 +820,7 @@
     "mocha": "^11.6.0",
     "ovsx": "^0.10.4",
     "prettier": "^3.5.3",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "typescript": "^5.8.3",
     "typescript-eslint": "8",
     "vscode-oniguruma": "^2.0.1",

vscode/yarn.lock

@@ -5289,10 +5289,10 @@ simple-invariant@^2.0.1:
   resolved "https://registry.yarnpkg.com/simple-invariant/-/simple-invariant-2.0.1.tgz#b8935284d31bc0c2719582f9cddf17bee8f57526"
   integrity sha512-1sbhsxqI+I2tqlmjbz99GXNmZtr6tKIyEgGGnJw/MKGblalqk/XoOYYFJlBzTKZCxx8kLaD3FD5s9BEEjx5Pyg==
 
-sinon@^20.0.0:
-  version "20.0.0"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-20.0.0.tgz#4b653468735f7152ba694d05498c2b5d024ab006"
-  integrity sha512-+FXOAbdnj94AQIxH0w1v8gzNxkawVvNqE3jUzRLptR71Oykeu2RrQXXl/VQjKay+Qnh73fDt/oDfMo6xMeDQbQ==
+sinon@^21.0.0:
+  version "21.0.0"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-21.0.0.tgz#dbda73abc7e6cb803fef3368cfbecbb5936e8a9e"
+  integrity sha512-TOgRcwFPbfGtpqvZw+hyqJDvqfapr1qUlOizROIk4bBLjlsjlB00Pg6wMFXNtJRpu+eCZuVOaLatG7M8105kAw==
   dependencies:
     "@sinonjs/commons" "^3.0.1"
     "@sinonjs/fake-timers" "^13.0.5"