added generation opentapi schema to CI/CD

Author: opaduchak

.github/workflows/run_gravyvalet_tests.yml

@@ -74,3 +74,11 @@ jobs:
           POSTGRES_USER: postgres
           SECRET_KEY: oh-so-secret
           REDIS_HOST: redis://localhost:6379
+      - name: generate-openapi
+        #if: github.ref == 'refs/heads/master'
+        run: poetry run python manage.py openapi
+      - name: upload-artifact
+        #if: github.ref == 'refs/heads/master'
+        uses: actions/upload-artifact@v4
+        with:
+          path: 'openapi.yml'