Update pinned commits; Remove separate PR comment workflow (#4434)

.github/workflows/code-format.yml

@@ -18,14 +18,16 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
-      - uses: actions/setup-java@v5
+      - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
           java-version: 17
           distribution: temurin
-      - uses: actions/cache@v4
+      - name: Restore Gradle cache
+        id: gradle-cache
+        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: |
             ~/.gradle/caches
@@ -37,3 +39,11 @@ jobs:
         uses: gradle/actions/wrapper-validation@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
       - name: Check formatting
         run: ./gradlew spotlessCheck
+      - name: Save Gradle cache
+        if: github.event_name == 'push' && steps.gradle-cache.outputs.cache-hit != 'true'
+        uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}