Merge master into openapi

[bkoelman]

Merges the master branch into openapi, and updates OpenAPI dependencies to the latest versions.

QUALITY CHECKLIST

• [x] Changes implemented in code
• [x] Complies with our contributing guidelines
• [x] Adapted tests
• [ ] N/A: Documentation updated

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.80%. Comparing base (9bdea37) to head (96cb1dc).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## openapi #1546 +/- ## =========================================== + Coverage 90.79% 90.80% +0.01% =========================================== Files 397 397 Lines 13023 13023 Branches 2075 2076 +1 =========================================== + Hits 11824 11826 +2 Misses 781 781 + Partials 418 416 -2 ```

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