Require Python 3.10+

The transitive rich-click >=1.9.5 dependency, at least from
conda-forge, requires Python 3.10+ anyway, so it's a losing
battle trying to keep the already-EOL Python 3.9 as minimum.

Author: ctrueden

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.9", "3.13"]
+        python-version: ["3.10", "3.14"]
 
     steps:
       - uses: actions/checkout@v4

pyproject.toml

@@ -16,11 +16,11 @@ classifiers = [
     "Intended Audience :: Education",
     "Intended Audience :: Science/Research",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Operating System :: Microsoft :: Windows",
     "Operating System :: Unix",
     "Operating System :: MacOS",
@@ -32,7 +32,7 @@ classifiers = [
     "Topic :: Utilities",
 ]
 
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "imglyb>=2.1.0",
     "jgo>=2.1.0",