Add MIT license

Author: lindluni

package.json

@@ -7,7 +7,7 @@
     "build": "./node_modules/.bin/ncc build index.js"
   },
   "author": "Brett Logan",
-  "license": "Apache-2.0",
+  "license": "MIT",
   "dependencies": {
     "@actions/core": "^1.9.1",
     "@octokit/plugin-retry": "^3.0.9",