fix(deps): update rust crate lettre to v0.11.9

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
lettre (source)	dependencies	patch	0.11.6 -> 0.11.9

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Release Notes

lettre/lettre (lettre)

### [`v0.11.9`](https://redirect.github.com/lettre/lettre/blob/HEAD/CHANGELOG.md#v0119-2024-09-13) [Compare Source](https://redirect.github.com/lettre/lettre/compare/v0.11.8...v0.11.9) ##### Bug fixes - Fix feature gate for `accept_invalid_hostnames` for rustls ([#​988]) - Fix parsing `Mailbox` with trailing spaces ([#​986]) ##### Misc - Bump `rustls-native-certs` to v0.8 ([#​992]) - Make getting started example in readme complete ([#​990]) [#​988]: https://redirect.github.com/lettre/lettre/pull/988 [#​986]: https://redirect.github.com/lettre/lettre/pull/986 [#​990]: https://redirect.github.com/lettre/lettre/pull/990 [#​992]: https://redirect.github.com/lettre/lettre/pull/992 ### [`v0.11.8`](https://redirect.github.com/lettre/lettre/blob/HEAD/CHANGELOG.md#v0118-2024-09-03) [Compare Source](https://redirect.github.com/lettre/lettre/compare/v0.11.7...v0.11.8) ##### Features - Add mTLS support ([#​974]) - Implement `accept_invalid_hostnames` for rustls ([#​977]) - Provide certificate chain for peer certificates when using `rustls` or `boring-tls` ([#​976]) ##### Changes - Make `HeaderName` comparisons via `PartialEq` case insensitive ([#​980]) ##### Misc - Fix clippy warnings (\[[#​979](https://redirect.github.com/lettre/lettre/issues/979)]) - Replace manual impl of `#[non_exhaustive]` for `InvalidHeaderName` ([#​981]) [#​974]: https://redirect.github.com/lettre/lettre/pull/974 [#​976]: https://redirect.github.com/lettre/lettre/pull/976 [#​977]: https://redirect.github.com/lettre/lettre/pull/977 [#​980]: https://redirect.github.com/lettre/lettre/pull/980 [#​981]: https://redirect.github.com/lettre/lettre/pull/981 ### [`v0.11.7`](https://redirect.github.com/lettre/lettre/blob/HEAD/CHANGELOG.md#v0117-2024-04-23) [Compare Source](https://redirect.github.com/lettre/lettre/compare/v0.11.6...v0.11.7) ##### Misc - Bump `hostname` to v0.4 ([#​956]) - Fix `tracing` message consistency ([#​960]) - Bump minimum required `rustls` to v0.23.5 ([#​958]) - Dropped use of `ref` syntax in the entire project ([#​959]) [#​956]: https://redirect.github.com/lettre/lettre/pull/956 [#​958]: https://redirect.github.com/lettre/lettre/pull/958 [#​959]: https://redirect.github.com/lettre/lettre/pull/959 [#​960]: https://redirect.github.com/lettre/lettre/pull/960

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