Add installation of missing packages for python 3.13 in cron-run-tests.yaml (#2598)

The PR installs missing pytest and scipy packages in the test
environment of GitHub action `cron-run-tests.yaml`.
It resolves the issue introduced in #2583.

Author: antonwolfy

.github/workflows/cron-run-tests.yaml

@@ -49,6 +49,8 @@ jobs:
             test-packages: "pytest scipy"
           - python: 3.12
             test-packages: "pytest scipy"
+          - python: 3.13
+            test-packages: "pytest scipy"
 
     steps:
       - name: Cancel Previous Runs