feat: add add loabl

.github/github-action/action.yml

@@ -1,13 +1,10 @@
 name: 'Hello World'
 description: 'Greet someone and record the time'
 inputs:
-  who-to-greet:  # id of input
-    description: 'Who to greet'
-    required: true
-    default: 'World'
-outputs:
-  time: # id of output
-    description: 'The time we greeted you'
+  github_token:
+    description: A GitHub token.
+    required: false
+    default: ${{ github.token }}
 runs:
   using: 'node20'
   main: 'index.js'