chore: bump actions/setup-go from 5.5.0 to 6.0.0

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5.5.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@d35c59a...4469467)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/repository-validation.yml

@@ -61,7 +61,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # V4.2.2
 
       - name: Setup Go ${{ needs.get-go-version.outputs.version }}
-        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5  # V5.5.0
+        uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00  # V6.0.0
         with:
           go-version: ${{ needs.get-go-version.outputs.version }}