Update dependencies

PiperOrigin-RevId: 182548382

Author: kevmoo

pubspec.yaml

@@ -8,10 +8,10 @@ author: Dart Team <[email protected]>
 environment:
   sdk: '>=2.0.0-dev.3.0 <2.0.0'
 dependencies:
-  angular: 5.0.0-alpha+3
-  angular_forms: 1.0.1-alpha+3
+  angular: 5.0.0-alpha+4
+  angular_forms: 1.0.1-alpha+4
   build_config: ^0.2.1
-  built_collection: ^1.6.0
+  built_collection: '>=1.6.0 <4.0.0'
   collection: ^1.14.0
   fixnum: ^0.10.5
   intl: '>=0.14.0 <0.16.0'
@@ -20,7 +20,7 @@ dependencies:
   meta: ^1.0.4
   observable: '>=0.17.0+1 <0.21.0'
   perf_api: ^0.1.0
-  quiver: '>=0.24.0 <0.26.0'
+  quiver: '>=0.24.0 <0.28.0'
   sass_builder: ^1.1.1
   uuid: ^0.5.3
 transformers: