Bump @types/sinon from 21.0.1 to 22.0.0 in /vscode

Bumps [@types/sinon](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/sinon) from 21.0.1 to 22.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/sinon)

---
updated-dependencies:
- dependency-name: "@types/sinon"
  dependency-version: 22.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

vscode/package.json

@@ -858,7 +858,7 @@
     "@eslint/js": "^9.39.2",
     "@types/mocha": "^10.0.10",
     "@types/node": "26.x",
-    "@types/sinon": "^21.0.1",
+    "@types/sinon": "^22.0.0",
     "@types/vscode": "^1.91.0",
     "@vscode/test-cli": "^0.0.15",
     "@vscode/test-electron": "^3.0.0",