Use JDK 21 in build-release-apk.yml

See #11754

Author: Stypox

.github/workflows/build-release-apk.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '17'
+          java-version: '21'
           cache: 'gradle'
 
       - name: "Build release APK"