Bump to JavaVersion.VERSION_17

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/build.gradle

@@ -122,8 +122,8 @@ android {
     check.dependsOn 'spotbugsGplayDebug', 'lint', 'ktlintCheck', 'detekt'
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 
     buildFeatures {