Fix/deploy action typo (#397)

* 1st try * Added docs * fixed typo * fix

Author: fhennig

.github/workflows/deploy.yml

@@ -14,6 +14,6 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Call Netlify build hook
- with:
+ env:
  HOOK_URL: ${{ secrets.NETLIFY_BUILD_TRIGGER_HOOK }}
  run: curl -X POST -d '{}' $HOOK_URL