feat: add X-Client-Id header with python-sdk-<version> format

[devin-ai-integration]

feat: add X-Client-Id header with python-sdk- format

Summary

This PR adds automatic inclusion of an X-Client-Id header to all API requests made by the Python SDK. The header value follows the format python-sdk-<version> where version is dynamically imported from vlmrun.version.__version__. The implementation allows users to override the default header by providing their own X-Client-Id in the request headers.

Key changes:

• Import version from vlmrun.version for dynamic header value
• Add X-Client-Id header to _request_with_retry method in APIRequestor class
• Header is only added if not already present, allowing user override
• Uses format python-sdk-{__version__} as specified in requirements

Review & Testing Checklist for Human

• Verify version import: Confirm that vlmrun.version.__version__ correctly imports the current SDK version
• Test header override: Verify that providing X-Client-Id in request headers properly overrides the default value
• End-to-end API testing: Make actual API calls and inspect request headers to ensure X-Client-Id appears with correct format (e.g., python-sdk-0.3.3)
• Import style check: Ensure the version import follows the project's import ordering conventions

Notes

• This change affects all API requests made through the SDK
• Part of broader effort to add X-Client-Id headers across all VLM Run SDKs and integrations
• Session: https://app.devin.ai/sessions/065534cd1a9846fe8e14cd964383de66
• Requested by: @Mirajul-Mohin

[devin-ai-integration]

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[devin-ai-integration]

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[spillai]

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