Bump the all group with 1 update

Bumps the all group with 1 update: [actions/add-to-project](https://github.com/actions/add-to-project).


Updates `actions/add-to-project` from 0.5.0 to 0.6.0
- [Release notes](https://github.com/actions/add-to-project/releases)
- [Commits](actions/add-to-project@31b3f3c...0609a27)

---
updated-dependencies:
- dependency-name: actions/add-to-project
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
...

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

.github/workflows/project.yml

@@ -13,7 +13,7 @@ jobs:
       repository-projects: write
       issues: write
     steps:
-      - uses: actions/add-to-project@31b3f3ccdc584546fc445612dec3f38ff5edb41c # v0.5.0
+      - uses: actions/add-to-project@0609a2702eefb44781da00f8e04901d6e5cd2b92 # v0.6.0
         with:
           project-url: https://github.com/orgs/kubernetes/projects/104
           github-token: ${{ secrets.PROJECT_WRITER }}