fix action auth

Author: John-Holden

.github/workflows/ci.yml

@@ -31,8 +31,8 @@ jobs:
         uses: docker/login-action@v3
         with:
           registry: quay.io
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
+          username: ${{ secrets.QUAY_USERNAME }}
+          password: ${{ secrets.QUAY_PASSWORD }}
 
       - name: Extract metadata for Docker
         id: meta