Bump glob-parent from 5.1.0 to 5.1.2 in /developer-proxy

Bumps [glob-parent](https://github.com/gulpjs/glob-parent) from 5.1.0 to 5.1.2.
- [Release notes](https://github.com/gulpjs/glob-parent/releases)
- [Changelog](https://github.com/gulpjs/glob-parent/blob/main/CHANGELOG.md)
- [Commits](gulpjs/glob-parent@v5.1.0...v5.1.2)

---
updated-dependencies:
- dependency-name: glob-parent
  dependency-type: indirect
...

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

Author: dependabot[bot]