Fix openapi for R5

[jamesagnew]

Fixes #2727

[github-actions]

Formatting check succeeded!

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +1.77 🎉

Comparison is base (2f5ffe7) 81.32% compared to head (b261fa9) 83.10%.

❗ Current head b261fa9 differs from pull request most recent head 042b1f0. Consider uploading reports for the commit 042b1f0 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5115      +/-   ##
============================================
+ Coverage     81.32%   83.10%   +1.77%     
- Complexity    23650    25671    +2021     
============================================
  Files          1425     1571     +146     
  Lines         86399    99482   +13083     
  Branches      11677    12808    +1131     
============================================
+ Hits          70265    82671   +12406     
- Misses        10947    11283     +336     
- Partials       5187     5528     +341     

see 1579 files with indirect coverage changes

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