Bump version to 4.33.0

Author: rmk135

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`_
 
-Development version
+4.33.0
 ------
 - Add support of default value for environment variable in INI and YAML
   configuration files with ``${ENV_NAME:default}`` format.

src/dependency_injector/__init__.py

@@ -1,6 +1,6 @@
 """Top-level package."""
 
-__version__ = '4.32.3'
+__version__ = '4.33.0'
 """Version number.
 
 :type: str