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

Author: studioj

.github/workflows/tox.yml

@@ -1,15 +1,15 @@
 name: Tox
 
 on:
+  - push
   - pull_request
 
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version:
-          - '3.10'
+        python-version: ['3.10']
           # - '3.11'
           # - '3.12'
           # - '3.14'
@@ -30,4 +30,4 @@ jobs:
           python -m pip install tox tox-gh-actions
       - name: Test with tox
         # run only the env that matches the runner Python (e.g. 3.10 -> py310)
-        run: tox -e ${{ 'py' + matrix.python-version.replace('.','') }}
+        run: tox -e ${{ format('py{0}', matrix.python-version.replace('.','')) }}