Update ci.yml

Author: RohanRusta21

.github/workflows/ci.yml

@@ -39,7 +39,7 @@ jobs:
         run: |
           cd frontend
           mv Dockerfile Dockerfile1
-          sed -i 's/LABEL Maintainer="Rohan"/LABEL Maintainer="${version}"/' Dockerfile1
+          sed -i "s/LABEL Maintainer="Rohan"/LABEL Maintainer="${version}"/" Dockerfile1
           sed -i "s/ARG release=.*/ARG release="${version}"/" Dockerfile1
           docker build -t "${DOCKERHUB_USERNAME}/${FRONTEND_REPO_NAME}:$GITHUB_RUN_NUMBER" -f Dockerfile1 .