Update actions/setup-java action to v4

Author: renovate[bot]

.github/workflows/gradle.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up JDK 11
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         distribution: 'zulu'
         java-version: 11

.github/workflows/nightly_checks.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up JDK 11
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         distribution: 'zulu'
         java-version: '11'