Update gradle/actions digest to 50e97c2

Author: renovate[bot]

.github/workflows/integration-test.yml

@@ -280,7 +280,7 @@ jobs:
           java-version: 21
 
       - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
+        uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6
 
       - name: Compile split-tests-java
         working-directory: split-tests-java