Revert "Drop EOL Python 3.9 support, add 3.14."

This reverts commit 4142ac6.

Author: porridge

.github/workflows/python-app.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.11", "3.13", "3.14"]
+        python-version: ["3.9", "3.11", "3.13"]
 
     steps:
     - uses: actions/checkout@v5
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.11", "3.13", "3.14"]
+        python-version: ["3.9", "3.11", "3.13"]
         extension: ["none", "alphanumeric-en_US"]
     env:
       AUTOPKGTEST_TMP: /tmp
@@ -133,7 +133,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.14"]  # Just latest to keep number of combinations down.
+        python-version: ["3.13"]  # Just latest to keep number of combinations down.
 
     steps:
     - uses: actions/checkout@v5

README.md

@@ -25,7 +25,7 @@ man bambam
 If not, you can install it manually as follows.
 
 Before installing this application, ensure you have the following installed:
-  * [Python](http://python.org) - versions 3.11, 3.13 and 3.14 are supported
+  * [Python](http://python.org) - versions 3.9, 3.11 and 3.13 are supported
   * [Pygame](http://www.pygame.org/) - version 2.x is supported, but version 1.9 might work too. See [install instructions](https://www.pygame.org/wiki/GettingStarted).
   * [PyYAML](https://github.com/yaml/pyyaml) - only required for using
     [extensions](#extensions); any reasonably recent version should work