Update back-end-ci-cd.yml

Author: Arnab-Developer

.github/workflows/back-end-ci-cd.yml

@@ -43,6 +43,7 @@ jobs:
       run: |
         echo "${{ secrets.GITHUB_TOKEN }}" | docker login https://docker.pkg.github.com -u Arnab-Developer --password-stdin
         docker push docker.pkg.github.com/arnab-developer/frontendbackenddemo/backend:1.0.1
+        docker logout
 
   dockerhub-push:
     if: ${{ github.event_name == 'release' }}
@@ -67,3 +68,4 @@ jobs:
       run: |
         echo "${{ secrets.DOCKERHUB_PWD }}" | docker login -u 45862391 --password-stdin
         docker push 45862391/frontendbackenddemo-backend:1.0.1 
+        docker logout