Fix syntax error

Author: alshakero

.github/workflows/is-calypso-channel-green.yml

@@ -8,9 +8,8 @@ jobs:
   CheckCalypsoChannelStatus:
     runs-on: ubuntu-latest
     steps:
-      - run: 
+      - run: |
         STATUS=$(curl -s https://public-api.wordpress.com/rest/v1.1/internal/calypso-slack-channel --header "Authorization: ${{ secrets.CALYPSO_CHANNEL_STATUS_API_SECRET }}")
-        echo $STATUS  
         if [ "$STATUS" = "GREEN" ]; then
           echo "Calypso Slack channel is green."
           exit 0
@@ -20,4 +19,5 @@ jobs:
         else
           echo "Calypso Slack channel status is unknown."
           exit 1
-        fi
+        fi
+      shell: bash