Use default value if github-token is not given

.github/workflows/validate.yml

@@ -32,5 +32,4 @@ jobs:
           fetch-depth: 0 # Fetch all history for .GitInfo and .Lastmod
       - uses: ./
         with:
-          token: '${{ secrets.GITHUB_TOKEN }}'
           elm-json-path: emobu/elm.json

README.md

@@ -26,17 +26,11 @@ jobs:
       - name: Run snapshot action
         uses: kachick/elm-dependency-submission@v1
         with:
-            # Required: GITHUB_TOKEN will work. No needed PAT
-            token: "${{ secrets.GITHUB_TOKEN }}"
-            #
-            # Optional: Default "elm.json". Change it if different in your repository
-            elm-json-path: elm.json
+          #
+          # Optional: Default "elm.json". Change it if different in your repository
+          elm-json-path: elm.json
 ```
 
 You can see the working image at [here](https://github.com/kachick/elm-dependency-submission/network/dependencies). It is parsing [emobu/elm.json](https://github.com/mobu-of-the-world/emobu/blob/main/elm.json).
 
 <img src="./assets/snapshot.png?raw=true" alt="Example of snapshot" width=700>
-
-## NOTE
-
-Author is a newbie of elm-lang...

action.yml

@@ -6,8 +6,9 @@ branding:
   color: 'blue'
 inputs:
   token:
-    description: 'Basically GITHUB_TOKEN is enough.'
+    description: 'The GITHUB_TOKEN secret'
     required: true
+    default: ${{ github.token }}
   elm-json-path:
     description: 'Targeting `elm.json` path. Not elm=tooling.json'
     required: false