fix workflow (#128)

Author: GaspardBT

.github/workflows/sdk_generation_mistralai_sdk.yaml

@@ -22,7 +22,7 @@ jobs:
       mode: pr
       set_version: ${{ github.event.inputs.set_version }}
       speakeasy_version: latest
-      target: all
+      target: mistralai-sdk
     secrets:
       github_access_token: ${{ secrets.GITHUB_TOKEN }}
       pypi_token: ${{ secrets.PYPI_TOKEN }}