build: unified Java version in Git Flows (#825)

Author: kikoso

.github/workflows/docs.yml

@@ -34,7 +34,7 @@ jobs:
     - name: Gradle Wrapper Validation
       uses: gradle/actions/wrapper-validation@v4
 
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4.6.0
       with:
         java-version: '21'

.github/workflows/instrumentation-test.yml

@@ -35,7 +35,7 @@ jobs:
     - name: Gradle Wrapper Validation
       uses: gradle/actions/wrapper-validation@v4
 
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4.6.0
       with:
         java-version: '21'

.github/workflows/lint-report.yml

@@ -26,11 +26,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v5
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4.6.0
         with:
           distribution: 'adopt'
-          java-version: '17'
+          java-version: '21'
 
       - name: Run Android Lint
         run: ./gradlew lint

.github/workflows/test.yml

@@ -35,7 +35,7 @@ jobs:
     - name: Gradle Wrapper Validation
       uses: gradle/actions/wrapper-validation@v4
 
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4.6.0
       with:
         java-version: '21'