DEV: Echo command used for healthcheck

Author: Janne Rönkkö

github-actions/healthcheck/action.yml

@@ -20,6 +20,7 @@ runs:
   steps:
     - name: Verify that service is up and running
       run: |
+        echo ${{ inputs.command }}
         for i in {1..${{ inputs.retries }}}; do
           ${{ inputs.command }} && exit 0
           sleep ${{ inputs.wait_between }}