feat: default token to GitHub token (#46)

* feat: default token to GitHub token

* fix: use quotes for clarity

Author: henryiii

Diff for: action.yml

@@ -9,8 +9,8 @@ inputs:
     description: 'Optional - A single Workflow ID or a comma separated list of IDs'
     required: false
   access_token:
-    description: 'Your GitHub Access Token, ie: {{ github.token }}'
-    required: true
+    description: 'Your GitHub Access Token, defaults to: {{ github.token }}'
+    default: '${{ github.token }}'
 runs:
   using: 'node12'
   main: 'dist/index.js'