fixed env for openapi generation

Author: opaduchak

.github/workflows/run_gravyvalet_tests.yml

@@ -77,7 +77,7 @@ jobs:
           REDIS_HOST: redis://localhost:6379
       - name: generate-openapi
         #if: github.ref == 'refs/heads/master'
-        run: poetry run python manage.py migrate && poetry run python manage.py openapi
+        run: poetry run python manage.py openapi
         env:
           DEBUG: 1
           AMQP_BROKER_URL: "amqp://guest:guest@localhost:5672"