fix: constrain stack_trace version, which breaks build

modules/angular2/pubspec.yaml

@@ -9,6 +9,6 @@ homepage: <%= packageJson.homepage %>
 environment:
   sdk: '>=1.4.0'
 dependencies:
-  stack_trace: '>=1.1.1 <2.0.0'
+  stack_trace: '>=1.1.1 <1.2.0'
 dev_dependencies:
   guinness: ">=0.1.16 <0.2.0"

modules/benchpress/pubspec.yaml

@@ -9,7 +9,7 @@ homepage: <%= packageJson.homepage %>
 environment:
   sdk: '>=1.4.0'
 dependencies:
-  stack_trace: '>=1.1.1 <2.0.0'
+  stack_trace: '>=1.1.1 <1.2.0'
   angular2:
     path: ../angular2
 dev_dependencies:

pubspec.yaml

@@ -2,6 +2,7 @@ name: angular
 environment:
   sdk: '>=1.4.0'
 dependencies:
+  stack_trace: '>=1.1.1 <1.2.0'
 
 dev_dependencies:
   guinness: ">=0.1.16 <0.2.0"