chore: this commit updates docker hub login secrets in the pipeline

Author: https-richardy

.github/workflows/production-pipeline.yml

@@ -19,8 +19,8 @@ jobs:
       - name: login to docker hub
         uses: docker/login-action@v3
         with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: push docker image
         run: docker push httpsrichardy/federation:latest