Bump vsce from 2.9.0 to 2.9.1 (#304)

Bumps [vsce](https://github.com/Microsoft/vsce) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/Microsoft/vsce/releases)
- [Commits](microsoft/vscode-vsce@v2.9.0...v2.9.1)

---
updated-dependencies:
- dependency-name: vsce
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

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