Add ETIMEDOUT handling to get_socket_conn_refused_errs

[AtamanKit]

Summary of Changes

This Pull Request adds support for handling the ETIMEDOUT error in the get_socket_conn_refused_errs function within the socket_helper module. The change ensures that timeout errors during socket connection attempts are correctly handled and improves compatibility across platforms.

Issue Reference

This is a minor improvement and does not require a corresponding GitHub issue. Please add the "skip issue" label to this PR if appropriate.

Details of the Change

• Added a check for errno.ETIMEDOUT using hasattr to ensure compatibility across platforms.

Rationale

When running the test suite against test_socket.py on the Ubuntu 24.04.1 LTS platform using a Python build from source, the following failure was observed:

AssertionError: 110 not found in [111, 101, 99, 113]

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