Update gradle/actions action to v5

Author: renovate[bot]

.github/workflows/CI.yml

@@ -26,7 +26,7 @@ jobs:
           distribution: 'temurin'
 
       - name: 📦 Set up Gradle
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@v5
         with:
           gradle-version: wrapper