Update workflow file

Author: speakeasybot

.github/workflows/speakeasy_sdk_generation.yml

@@ -27,8 +27,8 @@ jobs:
       languages: |-
         - python
       publish_python: true
+      mode: pr
     secrets:
       speakeasy_api_key: ${{ secrets.SPEAKEASY_PROD_API_KEY }}
       github_access_token: ${{ secrets.GITHUB_TOKEN }}
-      pypi_token: ${{ secrets.PYPI_TOKEN }}
       openapi_doc_auth_token: ${{ secrets.SPEAKEASY_API_KEY }}