feat: Bump mime from 1.0.6 to 2.0.0 in /packages/dart (#1066)

Author: dependabot[bot]

packages/dart/pubspec.yaml

@@ -34,7 +34,7 @@ dependencies:
   uuid: ^4.5.1
   meta: ^1.16.0
   path: ^1.9.0
-  mime: ^1.0.0
+  mime: ">=1.0.0 <3.0.0"
   timezone: ">=0.9.4 <0.11.0"
   universal_io: ^2.2.2
   xxtea: ^2.1.0