Fix healthcheck (#25)

Author: biglovisa

.github/workflows/healthcheck.yml

@@ -19,6 +19,8 @@ jobs:
         env:
           SANDBOX_API_KEY: ${{ secrets.SANDBOX_API_KEY }}
         run: make test
+
+      - name: Notify Slack
         uses: kpritam/slack-job-status-action@v1
         with:
           job-status: ${{ job.status }}