Fix CI and README.md

* Update CI matrix to test only the supported versions

* Remove unused test status badge

Author: pushfoo

.github/workflows/test.yaml

@@ -25,7 +25,7 @@ jobs:
     # 2. Avoid forward referencing whenever possible
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         architecture: ['x64']
         os: [ 'ubuntu-latest' ]
 

README.md

@@ -3,7 +3,6 @@
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://makeapullrequest.com)
 [![Tests (main)](https://github.com/pushfoo/Fontknife/actions/workflows/test.yaml/badge.svg?branch=main)](https://github.com/pushfoo/Fontknife/actions/workflows/test.yaml?branch=main)
 [![Documentation (main)](https://readthedocs.org/projects/fontknife/badge/?version=main)](https://fontknife.readthedocs.io/en/main/?badge=main)
-[![Tests (stable)](https://github.com/pushfoo/Fontknife/actions/workflows/test.yaml/badge.svg?branch=stable)](https://github.com/pushfoo/Fontknife/actions/workflows/test.yaml?branch=stable)
 [![Documentation (stable)](https://readthedocs.org/projects/fontknife/badge/?version=stable)](https://fontknife.readthedocs.io/en/stable/?badge=stable)