Bump @vscode/vsce from 2.20.1 to 2.21.0

Bumps [@vscode/vsce](https://github.com/Microsoft/vsce) from 2.20.1 to 2.21.0.
- [Release notes](https://github.com/Microsoft/vsce/releases)
- [Commits](microsoft/vscode-vsce@v2.20.1...v2.21.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -98,7 +98,7 @@
     "@ungap/structured-clone": "1.2.0",
     "@vscode/debugprotocol": "1.61.0",
     "@vscode/test-electron": "2.3.4",
-    "@vscode/vsce": "2.20.1",
+    "@vscode/vsce": "2.21.0",
     "esbuild": "0.19.2",
     "eslint": "8.48.0",
     "eslint-plugin-header": "3.1.1",