build(deps): 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:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -237,7 +237,7 @@
     "pretest-compile": "rimraf out"
   },
   "dependencies": {
-    "@vscode/vsce": "^2.20.1",
+    "@vscode/vsce": "^2.21.0",
     "axios": "^1.5.0",
     "event-stream": "4.0.1",
     "http-proxy-agent": "^7.0.0",