chore(deps): bump github.com/gin-gonic/gin from 1.7.7 to 1.9.1

Bumps [github.com/gin-gonic/gin](https://github.com/gin-gonic/gin) from 1.7.7 to 1.9.1.
- [Release notes](https://github.com/gin-gonic/gin/releases)
- [Changelog](https://github.com/gin-gonic/gin/blob/master/CHANGELOG.md)
- [Commits](gin-gonic/gin@v1.7.7...v1.9.1)

---
updated-dependencies:
- dependency-name: github.com/gin-gonic/gin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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