revert to token and username

.github/workflows/pipeline.yml

@@ -51,8 +51,8 @@ jobs:
       uses: docker/login-action@v3
       with:
         registry: liamsgit.dev
-        username: ${{ secrets.DOCKER_USERNAME }}
-        password: ${{ secrets.DOCKER_PASSWORD }}
+        username: ${{ secrets.REGISTRY_USERNAME }}
+        password: ${{ secrets.REGISTRY_PASSWORD }}
 
     - name: Build and Push Docker Image to Registry
       uses: docker/build-push-action@v4