Update package.json

it shouldn't be 1.0.0 yet.

Author: gagoar

package.json

@@ -2,7 +2,7 @@
   "name": "github-app-installation-token",
   "repository": "[email protected]:gagoar/github-app-installation-token.git",
   "license": "MIT",
-  "version": "1.3.0",
+  "version": "0.9.0",
   "description": "ts node template description",
   "main": "dist/index.js",
   "bin": {