Bump gulp-esbuild from 0.10.8 to 0.12.0 in /extensions/ql-vscode

Bumps [gulp-esbuild](https://github.com/ym-project/gulp-esbuild) from 0.10.8 to 0.12.0.
- [Release notes](https://github.com/ym-project/gulp-esbuild/releases)
- [Commits](ym-project/gulp-esbuild@v0.10.8...v0.12.0)

---
updated-dependencies:
- dependency-name: gulp-esbuild
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]