chore!: Drop support for Python 3.8

Author: vdusek

README.md

@@ -9,7 +9,7 @@ check out the [Apify SDK for Python](https://docs.apify.com/sdk/python) instead.
 
 ## Installation
 
-Requires Python 3.8+
+Requires Python 3.9+
 
 You can install the package from its [PyPI listing](https://pypi.org/project/apify-shared).
 To do that, simply run `pip install apify-shared` in your terminal.

mypy.ini

@@ -1,5 +1,5 @@
 [mypy]
-python_version = 3.8
+python_version = 3.9
 files = scripts, src, tests
 check_untyped_defs = True
 disallow_incomplete_defs = True

pyproject.toml

@@ -12,15 +12,14 @@ classifiers = [
     "Intended Audience :: Developers",
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Topic :: Software Development :: Libraries",
 ]
 
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 # We use inclusive ordered comparison clause for non-Apify packages intentionally in order to enhance the Apify
 # packages's compatibility with a wide range of external packages. This decision was discussed in detail in