chore: drop python3.8 support and add 3.13

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

README.rst

@@ -53,7 +53,7 @@ Requirements
 ------------
 
 - Minimum Python version:
-    3.8
+    3.9
 
 - Recommended Python version:
     3.9, 3.12 (frequently tested on)
@@ -78,9 +78,8 @@ There is precise documentation with many examples.
 You are recommended to read the *Getting started* section.
 
 - Getting started: https://aqtinstall.readthedocs.io/en/latest/getting_started.html
-- Stable (v3.1.x): https://aqtinstall.readthedocs.io/en/stable
+- Stable: https://aqtinstall.readthedocs.io/en/stable
 - Latest: https://aqtinstall.readthedocs.io/en/latest
-- Old (v2.2.3) : https://aqtinstall.readthedocs.io/en/v2.2.3/
 
 Install
 -------

pyproject.toml

@@ -20,13 +20,13 @@ classifiers = [
     "Topic :: Software Development",
     "Topic :: Software Development :: Libraries",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
     "bs4",  # canonical name is beautifulsoup4
     "defusedxml",
     "humanize",
     "patch>=1.16",
-    "py7zr>=0.20.6",
+    "py7zr>=1.0.0-rc1",
     "requests>=2.31.0",
     "semantic-version",
     "texttable",
@@ -56,7 +56,7 @@ test = [
     "pympler",
 ]
 check = [
-    "mypy>=0.990",
+    "mypy>=1.10.0",
     "flake8>=6.0.0,<8.0.0",
     "flake8-black",
     "flake8-colors",