ci: use PAT instead of GitHub Token when updating axe-core (#1030)

This should allow CI to run so it does not get stuck

no qa required

Author: michael-siek

.github/workflows/update-axe-core.yml

@@ -17,4 +17,4 @@ jobs:
           node-version: 16
       - uses: dequelabs/axe-api-team-public/.github/actions/create-update-axe-core-pull-request-v1@main
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.PAT }}