Drop python 3.9, add python 3.14

Author: jarofgreen

.github/workflows/test.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: [ '3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: [ '3.10', '3.11', '3.12', '3.13', '3.14' ]
         jsonref-version: ["==0.3", ">1"]
     steps:
     - uses: actions/checkout@v4

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Removed
+
+- We no longer support Python 3.9 - security support has ended
+
 ## [0.27.0] - 2024-12-18
 
 ### Added

setup.py

@@ -61,5 +61,5 @@ def run(self):
     },
     package_data={"flattentool": ["locale/*/*/*.mo", "locale/*/*/*.po"]},
     setup_requires=["babel"],
-    python_requires=">=3.9.0",
+    python_requires=">=3.10.0",
 )