Bump vsce from 1.88.0 to 2.7.0 in /extensions/ql-vscode

Bumps [vsce](https://github.com/Microsoft/vsce) from 1.88.0 to 2.7.0.
- [Release notes](https://github.com/Microsoft/vsce/releases)
- [Commits](microsoft/vscode-vsce@v1.88.0...v2.7.0)

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

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Author: dependabot[bot]