Bump the package:mime dep to 2.0.0 (#3758)

Author: kenzieschmoll

build_runner/CHANGELOG.md

@@ -1,6 +1,7 @@
-## 2.4.13-wip
+## 2.4.13
 
 - Bump the min sdk to 3.5.0.
+- Bump the `mime` dependency to allow version 2.x.
 
 ## 2.4.12
 

build_runner/pubspec.yaml

@@ -1,5 +1,5 @@
 name: build_runner
-version: 2.4.13-wip
+version: 2.4.13
 description: A build system for Dart code generation and modular compilation.
 repository: https://github.com/dart-lang/build/tree/master/build_runner
 resolution: workspace
@@ -33,7 +33,7 @@ dependencies:
   js: '>=0.6.3 <0.8.0'
   logging: ^1.0.0
   meta: ^1.3.0
-  mime: ^1.0.0
+  mime: '>=1.0.0 <3.0.0'
   package_config: ^2.0.0
   path: ^1.8.0
   pool: ^1.5.0