feat: default github-token to github.token (#202)

README.md

@@ -2,7 +2,7 @@
 
 **Name:** `hmarr/auto-approve-action`
 
-Automatically approve GitHub pull requests. The `GITHUB_TOKEN` secret must be provided as the `github-token` input for the action to work.
+Automatically approve GitHub pull requests.
 
 **Important:** use v2.0.0 or later, as v1 was designed for the initial GitHub Actions beta, and no longer works.
 
@@ -21,8 +21,6 @@ jobs:
       pull-requests: write
     steps:
       - uses: hmarr/auto-approve-action@v2
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
 ```
 
 Combine with an `if` clause to only auto-approve certain users. For example, to auto-approve [Dependabot][dependabot] pull requests, use:
@@ -40,8 +38,6 @@ jobs:
     steps:
       - uses: hmarr/auto-approve-action@v2
         if: github.actor == 'dependabot[bot]'
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
 ```
 
 If you want to use this action from a workflow file that doesn't run on the `pull_request` or `pull_request_target` events, use the `pull-request-number` input:
@@ -63,7 +59,6 @@ jobs:
     steps:
     - uses: hmarr/auto-approve-action@v2
       with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
         pull-request-number: ${{ github.event.inputs.pullRequestNumber }}
 ```
 
@@ -83,7 +78,6 @@ jobs:
       - uses: hmarr/auto-approve-action@v2
         if: github.actor == 'dependabot[bot]'
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
           review-message: "Auto approved automated PR"
 ```
 

action.yml

@@ -5,8 +5,9 @@ branding:
   color: 'green'
 inputs:
   github-token:
+    default: ${{ github.token }}
     description: 'The GITHUB_TOKEN secret'
-    required: true
+    required: false
   pull-request-number:
     description: '(optional) The ID of a pull request to auto-approve. By default, this action tries to use the pull_request event payload.'
     required: false

src/main.ts

@@ -4,7 +4,7 @@ import { approve } from "./approve";
 
 export async function run() {
   try {
-    const token = core.getInput("github-token", { required: true });
+    const token = core.getInput("github-token");
     const reviewMessage = core.getInput("review-message");
     await approve(
       token,