chore: Use a PAT to grant access

Annoyingly, it appears that the cross-repo access setting only allows
private repos to access private repos -- not for public repos to give
access to private repos.

I think I get it, but that's a bit annoying.

.github/workflows/deploy.yml

@@ -10,6 +10,7 @@ jobs:
         with:
           submodules: "true"
           persist-credentials: false
+          token: ${{ secrets.ORDLIST_TOKEN }}
 
       - name: Install
         env: