Use token from github context

.github/workflows/test.yml

@@ -30,5 +30,3 @@ jobs:
       - uses: ./
         with:
           extensions: 'js,ts'
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -30,11 +30,10 @@ jobs:
       - run: npm ci # or yarn install
       - uses: sibiraj-s/action-eslint@v1
         with:
+          github-token: ${{ secrets.GITHUB_TOKEN }} # Optional
           eslintArgs: '--ignore-path=.gitignore --quiet'
           extensions: 'js,jsx,ts,tsx'
           annotations: true
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 ```
 
 ## Security

action.yml

@@ -11,6 +11,10 @@ runs:
   main: 'dist/index.js'
 
 inputs:
+  github-token:
+    description: The GitHub token used to create an authenticated client
+    required: false
+    default: ${{ github.token }}
   eslintArgs:
     description: 'ESLint CLI flags'
     required: false

src/main.ts

@@ -9,11 +9,7 @@ import getChangedFiles from './getChangedFiles';
 
 const run = async () => {
   try {
-    const token = process.env.GITHUB_TOKEN;
-
-    if (!token) {
-      return setFailed('GITHUB_TOKEN not found in environment variables.');
-    }
+    const token = getInput('github-token', { required: true });
 
     const enableAnnotations = getBooleanInput('annotations');
     if (!enableAnnotations) {