chore(deps): update gradle/actions action to v6

Author: renovate[bot]

.github/workflows/pre-merge.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Checkout Repo
         uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - name: Cache Gradle Caches
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@v6
       - name: Run Gradle tasks
         run: ./gradlew preMerge --continue
 

.github/workflows/publish-plugin.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Checkout Repo
         uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - name: Cache Gradle Caches
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@v6
       - name: Run Gradle tasks
         run: ./gradlew preMerge --continue
       - name: Publish on Plugin Portal