Allow analyzer 0.26.0-alpha.1.

R=jmesserly@google.com

Review URL: https://chromiumcodereview.appspot.com//1260143002 .
diff --git a/pubspec.yaml b/pubspec.yaml
index c1a6d4c..ddc8b42 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,12 +1,12 @@
 name: dart_style
-version: 0.2.0-rc.3.dev
+version: 0.2.0-rc.3
 author: Dart Team <misc@dartlang.org>
 description: Opinionated, automatic Dart source code formatter.
 homepage: https://github.com/dart-lang/dart_style
 environment:
   sdk: ">=1.8.0 <2.0.0"
 dependencies:
-  analyzer: '>=0.25.0 <=0.26.0-alpha.0'
+  analyzer: '>=0.25.0 <=0.26.0-alpha.1'
   args: '>=0.12.1 <0.14.0'
   collection: '^1.0.0'
   path: '>=1.0.0 <2.0.0'