chore(deps): update rust crate testcontainers to 0.22.0

[noelbot]

This PR contains the following updates:

Package	Type	Update	Change
testcontainers	workspace.dependencies	minor	0.21.0 -> 0.22.0

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Release Notes

testcontainers/testcontainers-rs (testcontainers)

### [`v0.22.0`](https://togithub.com/testcontainers/testcontainers-rs/blob/HEAD/CHANGELOG.md#0220---2024-08-30) [Compare Source](https://togithub.com/testcontainers/testcontainers-rs/compare/0.21.1...0.22.0) ##### Details ##### Bug Fixes - \[❗] Docker socket detection on unix ([#​721](https://togithub.com/testcontainers/testcontainers-rs/pull/721)) ##### Features - Add `working_dir` to `ContainerRequest`,`ImageExt` ([#​724](https://togithub.com/testcontainers/testcontainers-rs/pull/724)) ##### Miscellaneous Tasks - Added `#![forbid(unsafe_code)]` to the library ([#​722](https://togithub.com/testcontainers/testcontainers-rs/pull/722))

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