Update gradle/actions digest to 748248d

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@ed408507eac070d1f99cc633dbcf757c94c7933a # v4
+        uses: gradle/actions/setup-gradle@748248ddd2a24f49513d8f472f81c3a07d4d50e1 # v4
 
       - name: Compile split-tests-java
         working-directory: split-tests-java