add-lints (#3356)

* test add lint as separate action
* nicer logging
* only detect changes in dart files
* fix printV warnings being displayed when editing printV

---------

Co-authored-by: Czarek Nakamoto <cyjan@mrcyjanek.net>

tool/utils/translation/arb_file_utils.dart

@@ -8,7 +8,7 @@ void appendStringToArbFile(String fileName, String name, String text, {bool forc
   final arbObj = readArbFile(file);
 
   if (arbObj.containsKey(name) && !force) {
-    printV("String $name already exists in $fileName!");
+    print("String $name already exists in $fileName!");
     return;
   }
 

tool/utils/translation/translation_utils.dart

@@ -38,7 +38,7 @@ Future<String> getTranslation(String text, String lang) async {
   try {
     translation = (await translator.translate(text, from: defaultLang, to: lang)).text;
   } catch (e) {
-    printV("$lang, $text, $e");
+    print("$lang, $text, $e");
   }
   placeholder.forEach((index, value) {
     final translatedPlaceholder = regExp.allMatches(translation).toList()[index];