Use GITHUB_TOKEN instead of PAT

Author: KristofferStrube

.github/workflows/main.yml

@@ -10,6 +10,8 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     steps:
         # Checkout the code
         - uses: actions/checkout@v2
@@ -48,7 +50,7 @@ jobs:
           if: ${{ github.ref == 'refs/heads/main' }} # Publish only when the push is on main
           uses: peaceiris/[email protected]
           with:
-            github_token: ${{ secrets.PUBLISH_TOKEN }}
+            github_token: ${{ secrets.GITHUB_TOKEN }}
             publish_branch: gh-pages
             publish_dir: build/wwwroot
             allow_empty_commit: false