bump checkout and use default tokens (#6)

Author: christian-dinh

.github/workflows/update-cotw.yml

@@ -4,13 +4,12 @@ jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-        with:
-          token: ${{ secrets.ACTIONS_GITHUB_TOKEN }}
-      - uses: actions/checkout@v4
+      - name: 'Checkout docs-update-cotw'
+        uses: actions/checkout@v5
+      - name: 'Checkout docs repo'
+        uses: actions/checkout@v5
         with:
           repository: 'Codecademy/docs'
-          token: ${{ secrets.ACTIONS_GITHUB_TOKEN }}
           path: 'docs'
       - uses: actions/setup-node@v4
         with:
@@ -38,4 +37,5 @@ jobs:
 
 on:
   schedule:
-  - cron: '0 13 * * 0' # every sunday at 1:00pm UTC
+    - cron: '0 13 * * 0' # every sunday at 1:00pm UTC
+  workflow_dispatch: