chore(main): release testcontainers 4.3.1 (#522)

🤖 I have created a release *beep* *boop*
---


##
[4.3.1](testcontainers-v4.3.0...testcontainers-v4.3.1)
(2024-04-02)


### Bug Fixes

* **core:** env vars not being respected due to constructor call
([#524](#524))
([4872ea5](4872ea5)),
closes
[#521](#521)
* Pin MongoDB images and improve test coverage for maintained versions
([#448](#448))
([b5c7a1b](b5c7a1b))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.github/.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-    ".": "4.3.0"
+    ".": "4.3.1"
 }

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## [4.3.1](https://github.com/testcontainers/testcontainers-python/compare/testcontainers-v4.3.0...testcontainers-v4.3.1) (2024-04-02)
+
+
+### Bug Fixes
+
+* **core:** env vars not being respected due to constructor call ([#524](https://github.com/testcontainers/testcontainers-python/issues/524)) ([4872ea5](https://github.com/testcontainers/testcontainers-python/commit/4872ea5759347e10150c0d80e4e7bbce3d59c410)), closes [#521](https://github.com/testcontainers/testcontainers-python/issues/521)
+* Pin MongoDB images and improve test coverage for maintained versions ([#448](https://github.com/testcontainers/testcontainers-python/issues/448)) ([b5c7a1b](https://github.com/testcontainers/testcontainers-python/commit/b5c7a1b95af5470ee1b5109ed1fb8e1b3af52cf7))
+
 ## [4.3.0](https://github.com/testcontainers/testcontainers-python/compare/testcontainers-v4.2.0...testcontainers-v4.3.0) (2024-04-01)
 
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "testcontainers"
-version = "4.3.0"  # auto-incremented by release-please
+version = "4.3.1"  # auto-incremented by release-please
 description = "Python library for throwaway instances of anything that can run in a Docker container"
 authors = ["Sergey Pirogov <automationremarks@gmail.com>"]
 maintainers = [