set fail-fast to false for gh action

Author: johanlundberg

.github/workflows/run-tests.yaml

@@ -38,6 +38,7 @@ jobs:
   unittests:
     runs-on: ubuntu-22.04
     strategy:
+      fail-fast: false
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12"]