1293 update secir groups surrogate models

[mhheger]

Changes and Information

Please briefly list the changes (main added features, changed items, or corrected bugs) made:

• adding different methods for generating dampings
• restructuring existing code
• adding possibility for multiple dampings

If need be, add additional information and what the reviewer should look out for in particular:

Merge Request - Guideline Checklist

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Checks by code author

• Every addressed issue is linked (use the "Closes #ISSUE" keyword below)
• New code adheres to coding guidelines
• No large data files have been added (files should in sum not exceed 100 KB, avoid PDFs, Word docs, etc.)
• Tests are added for new functionality and a local test run was successful (with and without OpenMP)
• Appropriate documentation for new functionality has been added (Doxygen in the code and Markdown files if necessary)
• Proper attention to licenses, especially no new third-party software with conflicting license has been added
• (For ABM development) Checked benchmark results and ran and posted a local test above from before and after development to ensure performance is monitored.

Checks by code reviewer(s)

• Corresponding issue(s) is/are linked and addressed
• Code is clean of development artifacts (no deactivated or commented code lines, no debugging printouts, etc.)
• Appropriate unit tests have been added, CI passes, code coverage and performance is acceptable (did not decrease)
• No large data files added in the whole history of commits(files should in sum not exceed 100 KB, avoid PDFs, Word docs, etc.)
• On merge, add 2-5 lines with the changes (main added features, changed items, or corrected bugs) to the merge-commit-message. This can be taken from the briefly-list-the-changes above (best case) or the separate commit messages (worst case).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.27%. Comparing base (83c57ad) to head (0d96161).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1297      +/-   ##
==========================================
- Coverage   97.28%   97.27%   -0.01%     
==========================================
  Files         168      171       +3     
  Lines       14858    15117     +259     
==========================================
+ Hits        14454    14705     +251     
- Misses        404      412       +8     

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[HenrZu]

Looks very good :) Thank you!
Some comments. My main remark is that we should check the secir simple code again and outsource doubled code into an model independent directory/file (e.g. "utils").

Functions should only be stored in the correpsonding model files when they are strongly model dependent and not usable other otherwise :)

regarding the failing ci, you can just print the path, where the data is saved to. Then you see the correct one in the ci log.

[HenrZu]

Thank you for the changes :) It would be great if you could create a new test file that tests the utils. These should be model-independent. And therefore do not have to be tested within the model tests

[HenrZu]

only 1 minimal change left. Great work :)