ci: swap to use tox gh actions instead of the archived coactions dynamic-matrix which wasnt working anymore

Author: studioj

.github/workflows/tox.yml

@@ -8,8 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version:
-          - '3.10'
+        python-version: ['3.10']
           # - '3.11'
           # - '3.12'
           # - '3.14'