chore: update description to remove 'experimental' (#149)

Author: cprussin

package.json

@@ -3,7 +3,7 @@
   "version": "1.1.0",
   "main": "build/runner",
   "author": "Rogelio Guzman <rogelioguzmanh@gmail.com>",
-  "description": "An experimental ESLint runner for Jest",
+  "description": "An ESLint runner for Jest",
   "license": "MIT",
   "repository": {
     "type": "git",