chore(deps): bump @gitbeaker/node from 28.2.0 to 29.2.0

Bumps [@gitbeaker/node](https://github.com/jdalrymple/gitbeaker) from 28.2.0 to 29.2.0.
- [Release notes](https://github.com/jdalrymple/gitbeaker/releases)
- [Changelog](https://github.com/jdalrymple/gitbeaker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jdalrymple/gitbeaker/compare/28.2.0...29.2.0)

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

packages/backend/package.json

@@ -46,7 +46,7 @@
     "@backstage/plugin-search-backend-node": "^0.1.3",
     "@backstage/plugin-techdocs-backend": "^0.8.1",
     "@backstage/plugin-todo-backend": "^0.1.5",
-    "@gitbeaker/node": "^28.0.2",
+    "@gitbeaker/node": "^29.2.0",
     "@octokit/rest": "^18.5.3",
     "azure-devops-node-api": "^10.1.1",
     "dockerode": "^3.2.1",