fix: publish_nuget

Author: 2ynn

.github/workflows/sdk_generation.yaml

@@ -15,7 +15,7 @@ jobs:
       force: ${{ github.event.inputs.force }}
       mode: pr
       speakeasy_version: latest
-      publish_csharp: true
+      publish_nuget: true
     secrets:
       github_access_token: ${{ secrets.GITHUB_TOKEN }}
       nuget_api_key: ${{ secrets.NUGET_API_KEY }}