Bump version to 3.40.0

docs/main/changelog.rst

@@ -7,6 +7,11 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
+3.40.0
+------
+- Add "Decoupled packages" example.
+- Delete "Bundles" examples mini application.
+
 3.39.0
 ------
 - Add application examples with single and multiple containers.

src/dependency_injector/__init__.py

@@ -1,6 +1,6 @@
 """Dependency injector top-level package."""
 
-__version__ = '3.39.0'
+__version__ = '3.40.0'
 """Version number that follows semantic versioning.
 
 :type: str