Bump flask-cors from 4.0.2 to 6.0.0

Bumps [flask-cors](https://github.com/corydolphin/flask-cors) from 4.0.2 to 6.0.0.
- [Release notes](https://github.com/corydolphin/flask-cors/releases)
- [Changelog](https://github.com/corydolphin/flask-cors/blob/main/CHANGELOG.md)
- [Commits](corydolphin/flask-cors@4.0.2...6.0.0)

---
updated-dependencies:
- dependency-name: flask-cors
  dependency-version: 6.0.0
  dependency-type: indirect
...

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Author: dependabot[bot]