Attempt to fix workflow

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
           OSCW_DOCKERHUB_USERNAME: ${{ secrets.OSCW_DOCKERHUB_USERNAME }}
           OSCW_DOCKERHUB_PASSWORD: ${{ secrets.OSCW_DOCKERHUB_PASSWORD }}
         run: |
-          echo ${OSCW_DOCKERHUB_PASWORD} | docker login -u ${OSCW_DOCKERHUB_USERNAME} --password-stdin
+          echo "$OSCW_DOCKERHUB_PASWORD" | docker login -u $OSCW_DOCKERHUB_USERNAME --password-stdin
           docker build -t codingworkshop/oscw-runner:latest .
           docker push codingworkshop/oscw-runner:latest
           docker image prune -af