Fix the reference to the wrong repository

Signed-off-by: Madelyn Olson <[email protected]>

Author: madolson

.github/workflows/zola-deploy.yml

@@ -26,7 +26,7 @@ jobs:
                 github.head_ref || 'main' }}
           repository: >-
             ${{ github.event_name == 'pull_request' &&
-                github.event.pull_request.head.repo.full_name || 'main' }}
+                github.event.pull_request.head.repo.full_name || 'valkey-io/valkey-io.github.io' }}
           path: website
 
       - name: Checkout valkey-doc