chore(master): release 0.5.1

[github-actions[bot]]

:robot: I have created a release beep boop

0.4.3 (2023-05-26)

Bug Fixes

• properly initialize OpenAI API class (15060ff)
• remove leading whitespace in OpenAI API responses (9de12eb)
• restore (optional) Bing cookie auth (f08cf1d)

Documentation

• document self chat not working (5a0aca0)

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[github-actions[bot]]

:robot: Release is at https://github.com/cycneuramus/signal-aichat/releases/tag/v0.5.1 :sunflower: