Set GitHub variables for release (#176)

Author: jathak

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.3.3
+
+* No user-visible changes.
+
 ## 1.3.2
 
 ### Module Migrator

pubspec.yaml

@@ -1,5 +1,5 @@
 name: sass_migrator
-version: 1.3.2
+version: 1.3.3
 description: A tool for running migrations on Sass files
 author: Jennifer Thakar <[email protected]>
 homepage: https://github.com/sass/migrator

tool/grind.dart

@@ -16,6 +16,8 @@ main(List<String> args) {
   pkg.homebrewFormula.value = "migrator.rb";
   pkg.jsRequires.value = {"fs": "fs", "os": "os", "path": "path"};
   pkg.standaloneName.value = "sass-migrator";
+  pkg.githubUser.value = Platform.environment["GH_USER"];
+  pkg.githubPassword.value = Platform.environment["GH_TOKEN"];
 
   pkg.addAllTasks();
   grind(args);