revert type hint to typing.List

[defgsus]

Description

avoid using type hints that drop support of python 3.8 and 3.9

Related resources

• Python 3.8 not supported anymore #1492

Checklist

• I have opened this pull request against master
• I have added or modified the tests when changing logic
• I have followed the conventional commits guidelines to add meaningful information into the changelog
• I have read the contribution guidelines and I have joined #workgroup-pr-review on
  Slack to find a “pr review buddy” who is going to review my pull request.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.73%. Comparing base (b0f39ab) to head (127a5f5).
Report is 19 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1493      +/-   ##
==========================================
+ Coverage   76.59%   76.73%   +0.14%     
==========================================
  Files          75       77       +2     
  Lines        3546     3624      +78     
  Branches      568      584      +16     
==========================================
+ Hits         2716     2781      +65     
- Misses        667      677      +10     
- Partials      163      166       +3     

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[fsbraun]

@defgsus Thanks so much for the quick fix!!