Bump the actions group with 3 updates (#4328)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/arc-publish.yaml

@@ -39,7 +39,7 @@ jobs:
     if: ${{ !startsWith(github.event.inputs.release_tag_name, 'gha-runner-scale-set-') }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - uses: actions/setup-go@v6
         with: