How about this?

.github/workflows/validate.yml

@@ -15,6 +15,7 @@ on:
 
 permissions:
   contents: read
+  pull-requests: write
 
 concurrency:
   group: 'dprint'
@@ -27,3 +28,6 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: ./
+        with:
+          base-branch: 'main'
+          github-token: '${{ secrets.GITHUB_TOKEN }}'

README.md

@@ -37,17 +37,19 @@ jobs:
       - uses: kachick/[email protected]
         with:
           base-branch: 'main'
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
           # auto-merge: false # default: true
 ```
 
 ## Parameters
 
 All options should be specified with string. So true/false should be 'true'/'false'
 
-| name        | default | options         | description                                                                    |
-| ----------- | ------- | --------------- | ------------------------------------------------------------------------------ |
-| base-branch | (null)  | e.g 'main'      | The branch into which you want updating PR merged                              |
-| auto-merge  | 'true'  | 'true', 'false' | The updating PR will be auto merged if no change exist even after `dprint fmt` |
+| name         | default | options                           | description                                                                    |
+| ------------ | ------- | --------------------------------- | ------------------------------------------------------------------------------ |
+| base-branch  | (null)  | e.g 'main'                        | The branch into which you want updating PR merged                              |
+| github-token | (null)  | e.g "${{ secrets.GITHUB_TOKEN }}" | The token will be used to create PR                                            |
+| auto-merge   | 'true'  | 'true', 'false'                   | The updating PR will be auto merged if no change exist even after `dprint fmt` |
 
 ## Motivation
 

action.yml

@@ -8,6 +8,9 @@ inputs:
   base-branch:
     description: 'The branch into which you want updating PR merged'
     required: true
+  github-token:
+    description: 'The token will be used to create PR'
+    required: true
   auto-merge:
     description: 'The updating PR will be auto merged if no change exist even after `dprint fmt`'
     required: false
@@ -43,7 +46,7 @@ runs:
     - name: Create PR
       run: gh pr create --fill --base ${{ inputs.base-branch}}
       env:
-        GH_TOKEN: '${{ secrets.GITHUB_TOKEN }}'
+        GH_TOKEN: '${{ inputs.github-token }}'
       shell: bash
     # - name: Auto merge
     #   run: ...