chore: ignore openapi-tyepscript in knip config

[sehyod]

Fixes #469

[codecov]

Codecov Report

Merging #470 (90f9395) into main (451ec9b) will decrease coverage by 0.15%.
Report is 1 commits behind head on main.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #470      +/-   ##
==========================================
- Coverage   80.48%   80.33%   -0.15%     
==========================================
  Files         188      188              
  Lines       11087    11098      +11     
  Branches     1076     1074       -2     
==========================================
- Hits         8923     8916       -7     
- Misses       2150     2168      +18     
  Partials       14       14              

see 4 files with indirect coverage changes

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