chore(main): release 0.12.0

[github-actions[bot]]

:robot: I have created a release beep boop

0.12.0 (2023-11-15)

⚠ BREAKING CHANGES

• Remove re-export of hyper_rustls types (#59)
• Bump dependencies (#58)

deps

• Bump dependencies (#58) (a7174e3)

Features

• make Error implement std::fmt::Display, std::error::Error` and Sync (#47) (0eaab6e)

Bug Fixes

• Remove re-export of hyper_rustls types (#59) (ec24970)

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[github-actions[bot]]

:robot: Release is at https://github.com/launchdarkly/rust-eventsource-client/releases/tag/0.12.0 :sunflower: