fix: add missing (?) token and update actions/checkout

.github/workflows/browserslist.yml

@@ -7,7 +7,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Configure git
       run: |
         # Setup for commiting using built-in token. See https://github.com/actions/checkout#push-a-commit-using-the-built-in-token
@@ -31,6 +31,7 @@ jobs:
     - name: Update Browserslist database and create PR if applies
       uses: c2corg/browserslist-update-action@v2
       with:
+        github_token: ${{ github.token }}
         commit_message: 'chore: update Browserslist db'
         title: 'Update Browserslist database'
         body: Auto-generated by `.github/workflows/browserslist.yml` using c2corg/browserslist-update-action