Bump requires-python

Author: vxgmichel

README.md

@@ -21,7 +21,7 @@ It supports:
 Quickstart
 ----------
 
-Using [uvx](https://docs.astral.sh/uv/guides/tools/) or [pipx](https://pipx.pypa.io/latest/docs/):
+Using [uvx](https://docs.astral.sh/uv/guides/tools/):
 
 ```shell
 $ uvx gambaterm myrom.gbc

pyproject.toml

@@ -12,7 +12,7 @@ name = "gambaterm"
 version = "0.13.0"
 description = "A terminal frontend for gambatte game boy color emulator"
 readme = "README.md"
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 license = "GPL-3.0-only"
 authors = [
     {name = "Vincent Michel", email = "vxgmichel@gmail.com"}