ci: sync with template repository

.github/workflows/merge.yaml

@@ -16,42 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check
-        run: |
-          set -o errexit
-          set -o nounset
-          set -o pipefail
-
-          function checks() {
-            (gh pr checks "${{ github.event.pull_request.html_url }}" || true) |
-              grep --invert-match "${{ github.run_id }}"
-          }
-
-          function count() {
-            checks |
-              cut --fields=2 |
-              (grep --count "$@" || true)
-          }
-
-          while true; do
-            pending=$(count pending)
-            if ((pending > 0)); then
-              echo "Waiting for $pending checks to complete..."
-              sleep 60
-            else
-              break
-            fi
-          done
-
-          fail=$(count fail)
-          if ((fail > 0)); then
-            echo "$fail checks failed"
-            exit 1
-          else
-            echo "All checks passed"
-            exit 0
-          fi
-        env:
-          GH_TOKEN: ${{ github.token }}
+        uses: liblaf/template/.github/actions/check@main
 
   merge:
     name: Merge