Use Java 17

Author: gthea

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '17'
       - uses: subosito/flutter-action@v2
         with:
           channel: 'stable'