Bump version and set license classifier correctly

pyproject.toml

 [tool.poetry]
 name = "calendarweek"
-version = "0.4.6.post1"
+version = "0.4.6.post2"
 description = "Utilities for working with calendar weeks in Python and Django"
 authors = ["Dominik George <nik@naturalnet.de>", "Jonathan Weth <git@jonathanweth.de>"]
-license = "MIT"
+license = "Apache-2.0"
 homepage = "https://edugit.org/AlekSIS/libs/python-calendarweek"
 repository = "https://edugit.org/AlekSIS/libs/python-calendarweek"
 documentation = "https://edugit.org/AlekSIS/libs/python-calendarweek"
@@ -11,7 +11,7 @@ classifiers = [
     "Development Status :: 4 - Beta",
     "Framework :: Django",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: MIT License",
+    "License :: OSI Approved :: Apache Software License",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Topic :: Software Development :: Localization",
     "Typing :: Typed"