ci: use JDK 17

Author: timschneeb

.github/workflows/build.yml

@@ -41,10 +41,10 @@ jobs:
       - name: Validate Gradle Wrapper
         uses: gradle/wrapper-validation-action@v1
 
-      - name: Set up JDK 11
+      - name: Set up JDK 17
         uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: adopt
 
       - name: Build release app