ci: drop python 3.8, add official 3.13 support

.github/workflows/python-package.yml

@@ -92,22 +92,23 @@ jobs:
           - '3.10'
           - '3.11'
           - '3.12'
-          - '3.13-dev'
+          - '3.13'
+          - '3.14-dev'
         constraints: ['']
         post_install: ['']
         exclude:
           # C extension builds failing.
-          # Remove exclusions after Python 3.13 release.
+          # Remove exclusions after Python 3.14 release.
           - os: windows-latest
-            python-version: '3.13-dev'
+            python-version: '3.14-dev'
           - os: macos-latest
-            python-version: '3.13-dev'
+            python-version: '3.14-dev'
         include:
           - os: ubuntu-latest
             python-version: '3.9'
             constraints: '--constraint constraints-oldest.txt'
           - os: ubuntu-latest
-            python-version: '3.12'
+            python-version: '3.13'
             post_install: pip uninstall -y -r constraints-future.txt ;
                           pip install -r constraints-future.txt
                                       --upgrade --upgrade-strategy=eager

CHANGES.rst

@@ -5,6 +5,7 @@ These features will be included in the next release:
 
 Added
 -----
+- Add python 3.13 official support and test on 3.14-dev.
 - New exit codes 2 for file not found, 3 for invalid command line arguments, 4 for
   missing dependencies and 123 for unknown failures.
 - Display exit code in parentheses after error message.