Drop python 3.7 and 3.8 support, update CIBW

Author: drewcassidy

.github/workflows/python-package.yml

@@ -76,7 +76,7 @@ jobs:
           platforms: arm64
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.18.1
+        uses: pypa/cibuildwheel@v2.21.3
         env:
           MACOSX_DEPLOYMENT_TARGET: "12"
           CIBW_ARCHS_LINUX: 'x86_64 aarch64'

pyproject.toml

@@ -22,16 +22,12 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
     "Topic :: Multimedia :: Graphics :: Graphics Conversion",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: C++",
 ]
 
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 dependencies = ["Pillow", "click"]
 dynamic = ["version"]
 
@@ -81,5 +77,5 @@ manylinux-aarch64-image = "manylinux2014"
 
 [tool.black]
 line-length = 120 # 80-column is stupid
-target-version = ['py37', 'py38', 'py39', 'py310', 'py310']
+target-version = ['py39', 'py310', 'py310']
 skip-string-normalization = true