fix(deps): update dependency intl to ^0.19.0

Author: renovate[bot]

pubspec.yaml

@@ -39,7 +39,7 @@ dependencies:
   gtk: ^2.1.0
   handy_window: ^0.4.0
   http: ^1.2.1
-  intl: ^0.18.0
+  intl: ^0.19.0
   m3u_parser_nullsafe: ^1.0.3
   media_kit: ^1.1.10+1
   media_kit_libs_video: ^1.0.4