Important

Automatically add original commit author as reviewer in PRs created by SDK API spec bot.

• Behavior:
  • Automatically adds the original commit author as a reviewer when creating a PR in sdk-api-spec.yml.
  • Fetches the original commit author's GitHub username using gh api.
• Workflow:
  • Modifies gh pr create command to include --reviewer flag with the original author's username in both Python and TypeScript SDK update steps.

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