chore(main): release testcontainers 4.12.0 (#834)

:robot: I have created a release *beep* *boop*
---


##
[4.12.0](https://github.com/testcontainers/testcontainers-python/compare/testcontainers-v4.11.0...testcontainers-v4.12.0)
(2025-07-21)


### Features

* **main:** New Testcontainers Python Docs Site
([#822](https://github.com/testcontainers/testcontainers-python/issues/822))
([a6bdf0e](https://github.com/testcontainers/testcontainers-python/commit/a6bdf0ef84643074fbc7edf3a75936ce3f1d0880))
* make config monkeypatchable, fix config related startup issues
([#833](https://github.com/testcontainers/testcontainers-python/issues/833))
([ff6a32d](https://github.com/testcontainers/testcontainers-python/commit/ff6a32db803046db8d89ba5a7157bf573d9f25c2))
* **modules:** add OpenFGA module
([#762](https://github.com/testcontainers/testcontainers-python/issues/762))
([0b7b482](https://github.com/testcontainers/testcontainers-python/commit/0b7b482f9ec807e87fd43d1372226fa43eb4ed7c))
* set multiple variables via keyword args
([#804](https://github.com/testcontainers/testcontainers-python/issues/804))
([1532df5](https://github.com/testcontainers/testcontainers-python/commit/1532df5e9094d15b9f3e9233e7f5843d8bc24386))


### Bug Fixes

* **core:** mypy
([#810](https://github.com/testcontainers/testcontainers-python/issues/810))
([b816762](https://github.com/testcontainers/testcontainers-python/commit/b816762b9a548033b065c3f46267c289a560f6ed))
* Enable mypy in the CI
([#842](https://github.com/testcontainers/testcontainers-python/issues/842))
([ef65bd1](https://github.com/testcontainers/testcontainers-python/commit/ef65bd113b564bce614aaf6df13bbf5339b9bc58))
* just use the getLogger API and do not override logger settings
([#836](https://github.com/testcontainers/testcontainers-python/issues/836))
([f467c84](https://github.com/testcontainers/testcontainers-python/commit/f467c842b851613b9a087bd5f9a08d8c39577cb8))


### Documentation

* missing compose html from old docs
([#776](https://github.com/testcontainers/testcontainers-python/issues/776))
([d749fc6](https://github.com/testcontainers/testcontainers-python/commit/d749fc69b32715742d834c003ee6893e2077753a))

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