Skip Python 3.13 tests for now, it takes ages...

Author: eltos

.github/workflows/test.yaml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python-version: [ '3.9', '3.10', '3.11', '3.12', '3.13' ]
+        python-version: [ '3.9', '3.10', '3.11', '3.12' ] # , '3.13'
         dep-versions: [ '' ]  # 'numpy1'
         exclude:
           - python-version: '3.12'