Bump @vscode/vsce from 2.20.0 to 2.21.0

Bumps [@vscode/vsce](https://github.com/Microsoft/vsce) from 2.20.0 to 2.21.0.
- [Release notes](https://github.com/Microsoft/vsce/releases)
- [Commits](microsoft/vscode-vsce@v2.20.0...v2.21.0)

---
updated-dependencies:
- dependency-name: "@vscode/vsce"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -168,7 +168,7 @@
         "@typescript-eslint/eslint-plugin": "^6.2.1",
         "@typescript-eslint/parser": "^6.2.1",
         "@vscode/test-electron": "^2.3.4",
-        "@vscode/vsce": "^2.20.0",
+        "@vscode/vsce": "^2.21.0",
         "eslint": "^8.46.0",
         "glob": "^10.3.3",
         "prettier": "^3.0.0",