📝 Add an example of command to run the generate-client.sh with uv

[AllenFang]

Since we use uv to manage the py package and virtual env, so suggest to use uv to executing client generation for avoiding the packages or python command not found,

[YuriiMotov]

Not sure we need to add that alternative command (but it works and really simpler than activating venv manually).

Result:

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[YuriiMotov]

Without bash command it fails with bash: ./scripts/generate-client.sh: Permission denied on my machine