Drop "Python3.8" support

.env

@@ -1,4 +1,4 @@
 CPYTHON_IMAGE_NAME=python
-CPYTHON_IMAGE_VERSION=3.8
+CPYTHON_IMAGE_VERSION=3.9
 PYPY_IMAGE_NAME=pypy
-PYPY_IMAGE_VERSION=3.8
+PYPY_IMAGE_VERSION=3.9

README.md

@@ -7,8 +7,8 @@ rene
 [![](https://badge.fury.io/py/rene.svg)](https://badge.fury.io/py/rene "PyPI")
 [![](https://img.shields.io/crates/v/rene.svg)](https://crates.io/crates/rene "crates.io")
 
-In what follows `python` is an alias for `python3.8` or `pypy3.8`
-or any later version (`python3.9`, `pypy3.9` and so on).
+In what follows `python` is an alias for `python3.9` or `pypy3.9`
+or any later version (`python3.10`, `pypy3.10` and so on).
 
 Installation
 ------------

pyproject.toml

@@ -5,14 +5,15 @@ readme = "README.md"
 license = { file = "LICENSE" }
 classifiers = [
     "License :: OSI Approved :: MIT License",
-    "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",
+    "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
     "dendroid>=1.6.1,<2.0",
     "prioq>=0.6.0,<1.0",