Updating pubspec.yaml with a new version of dart_dev 1.4.2

Author: Rosie the Robot

pubspec.yaml

@@ -1,5 +1,5 @@
 name: dart_dev
-version: 1.4.1
+version: 1.4.2
 description: Centralized tooling for Dart projects. Consistent interface across projects. Easily configurable.
 authors:
   - Workiva Client Platform Team <clientplatform@workiva.com>