Pin Android compileSdkVersion to 34

We need to upgrade Gradle...

Author: cadivus

open_earable/android/app/build.gradle

@@ -27,7 +27,7 @@ apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
     namespace "edu.kit.teco.openEarable"
-    compileSdkVersion flutter.compileSdkVersion
+    compileSdkVersion 34 // flutter.compileSdkVersion // We need a gradle upgrade
     ndkVersion flutter.ndkVersion
 
     compileOptions {