Revert "Use ${{github.token}} as default" (#167)

Author: mathieudutour

README.md

@@ -18,6 +18,8 @@ jobs:
       - name: Bump version and push tag
         id: tag_version
         uses: mathieudutour/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Create a GitHub release
         uses: ncipollo/release-action@v1
         with:
@@ -28,7 +30,7 @@ jobs:
 
 ### 📥 Inputs
 
-- **github_token** _(optional)_ - GitHub token for permission to tag the repo (default: `${{github.token}}`).
+- **github_token** _(required)_ - Required for permission to tag the repo. Usually `${{ secrets.GITHUB_TOKEN }}`.
 - **commit_sha** _(optional)_ - The commit SHA value to add the tag. If specified, it uses this value instead GITHUB_SHA. It could be useful when a previous step merged a branch into github.ref.
 
 #### Fetch all tags

action.yml

@@ -14,9 +14,8 @@ outputs:
     description: "The conventional changelog since the previous tag"
 inputs:
   github_token:
-    description: "GitHub token for permission to tag the repo."
-    required: false
-    default: ${{ github.token }}
+    description: "Required for permission to tag the repo."
+    required: true
   default_bump:
     description: "Which type of bump to use when none explicitly provided when commiting to a release branch (default: `patch`)."
     required: false