chore(package): ensure branch version is good to fix docs

Author: petebacondarwin

package.json

@@ -1,7 +1,7 @@
 {
   "name": "angularjs",
   "license": "MIT",
-  "branchVersion": "^1.5.0-rc.0",
+  "branchVersion": "^1.5.0-beta.2",
   "branchPattern": "1.5.*",
   "distTag": "beta",
   "repository": {