build: Some more minor wheel workflow changes after the py 3.9 bump (AcademySoftwareFoundation#4867)

Signed-off-by: Larry Gritz <lg@larrygritz.com>

Author: lgritz

.github/workflows/wheel.yml

@@ -319,7 +319,7 @@ jobs:
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         # https://cibuildwheel.pypa.io/en/stable/faq/#macos-building-cpython-38-wheels-on-arm64
         with:
-          python-version: '3.8'
+          python-version: '3.9'
 
 
       - name: Build wheels

pyproject.toml

@@ -16,7 +16,6 @@ classifiers = [
     "Natural Language :: English",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -28,7 +27,7 @@ classifiers = [
     "Topic :: Multimedia :: Video :: Display",
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
-requires-python = ">= 3.8"
+requires-python = ">= 3.9"
 dependencies = [
     "numpy>=1.19",
 ]