Bump minimum Python version to 3.9

Author: C0rn3j

README.md

@@ -2,15 +2,15 @@
 
 [![SCC Linux CI](https://github.com/C0rn3j/sc-controller/actions/workflows/scc-linux.yml/badge.svg)](https://github.com/C0rn3j/sc-controller/actions/workflows/scc-linux.yml) [![Build and publish AppImages](https://github.com/C0rn3j/sc-controller/actions/workflows/appimage.yml/badge.svg)](https://github.com/C0rn3j/sc-controller/actions/workflows/appimage.yml)
 
-User-mode driver, mapper and GTK3 based GUI for Steam Controller, DS4 and similar controllers.
+User-mode driver, mapper and GTK3 based GUI for Steam Controller, DS4 and many other controllers.
 
 [![screenshot1](docs/screenshot1-tn.png?raw=true)](docs/screenshot1.png?raw=true)
 [![screenshot2](docs/screenshot2-tn.png?raw=true)](docs/screenshot2.png?raw=true)
 [![screenshot3](docs/screenshot3-tn.png?raw=true)](docs/screenshot3.png?raw=true)
 [![screenshot3](docs/screenshot4-tn.png?raw=true)](docs/screenshot4.png?raw=true)
 
 ## Features
-- Allows to setup, configure and use Steam Controller(s) without ever launching Steam
+- Allows to setup, configure and use Steam Controllers without ever launching Steam
 - Supports profiles switchable in GUI or with controller button
 - Stick, Pads and Gyroscope input
 - Haptic Feedback and in-game Rumble support
@@ -43,7 +43,7 @@ Windows:
 ## Building the package by yourself
 
 ### Dependencies
-  - Python 3.8+
+  - Python 3.9+
   - GTK 3.24+
   - [PyGObject](https://live.gnome.org/PyGObject)
   - [python-gi-cairo](https://packages.debian.org/sid/python-gi-cairo) and [gir1.2-rsvg-2.0](https://packages.debian.org/sid/gir1.2-rsvg-2.0) on Debian-based distributions (included in PyGObject elsewhere)

pyproject.toml

@@ -19,7 +19,7 @@ classifiers = [
     "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
     "Operating System :: POSIX :: Linux"
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 #platforms = ["Linux"]
 
 # https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#creating-executable-scripts
@@ -57,7 +57,7 @@ packages = [
 [tool.ruff]
 # Target non-EOL releases at minimum, or later if needed
 # https://devguide.python.org/versions/
-target-version = "py38"
+target-version = "py39"
 # Project uses 80 sporadically, so just do soft 80 and hard break at 120
 line-length = 120