Add Python 3.12 to tests

Summary

Insert a meaningful description for this merge request here: What is the new/changed behavior? Which bug has been fixed? Are there related issues?

#186 (closed), #187 (closed)

Focus

Point the reviewer to the core of the code change. Where should they start reading? What should they focus on (e.g. security, performance, maintainability, user-friendliness, compliance with the specs, finding more corner cases, concrete questions)?

Test Environment

How to set up a test environment for manual testing?

Check List for the Author

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• All automated tests pass
• Reference related issues
• Up-to-date CHANGELOG.md (or not necessary)
• Up-to-date JSON schema (or not necessary)
• Appropriate user and developer documentation (or not necessary)
  • How do I use the software? Assume "stupid" users.
  • How do I develop or debug the software? Assume novice developers.
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md (or not necessary)
• Appropriate user and developer documentation (or not necessary)
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

.gitlab-ci.yml

@@ -62,7 +62,7 @@ unittest_py3.7:
   script: &python_test_script
     # Python docker has problems with tox and pip so use plain pytest here
     - touch ~/.pylinkahead.ini
-    - pip install nose pytest pytest-cov python-dateutil jsonschema>=4.4.0
+    - pip install pynose pytest pytest-cov jsonschema>=4.4.0 setuptools
     - pip install .
     - python -m pytest unittests
 
@@ -100,6 +100,22 @@ unittest_py3.11:
   image: python:3.11
   script: *python_test_script
 
+unittest_py3.12:
+  tags: [ docker ]
+  stage: test
+  needs: [ ]
+  image: python:3.12
+  script: *python_test_script
+
+unittest_py3.13:
+  allow_failure: true
+  tags: [ docker ]
+  stage: test
+  needs: [ ]
+  image: python:3.13-rc
+  script: *python_test_script
+
+
 # Trigger building of server image and integration tests
 trigger_build:
   stage: deploy