Update version to 4.43.0

Author: rmk135

Diff for: docs/main/changelog.rst

@@ -7,7 +7,7 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly
 follows `Semantic versioning`_
 
-Develop
+4.43.0
 --------
 - Add support for Python 3.13.
 - Migrate to Cython 3 (version 3.0.11). Many thanks to `ZipFile <https://github.com/ZipFile>`_ for

Diff for: src/dependency_injector/__init__.py

@@ -1,6 +1,6 @@
 """Top-level package."""
 
-__version__ = "4.42.0"
+__version__ = "4.43.0"
 """Version number.
 
 :type: str