[Validator] add pl translation for the Twig constraint

Author: wkania

Resources/translations/validators.pl.xlf

@@ -472,7 +472,7 @@
             </trans-unit>
             <trans-unit id="121">
                 <source>This value is not a valid Twig template.</source>
-                <target state="needs-translation">This value is not a valid Twig template.</target>
+                <target>Ta wartość nie jest prawidłowym szablonem Twig.</target>
             </trans-unit>
         </body>
     </file>