build(deps): bump flask-cors from 4.0.1 to 5.0.0 in /requirements

Bumps [flask-cors](https://github.com/corydolphin/flask-cors) from 4.0.1 to 5.0.0.
- [Release notes](https://github.com/corydolphin/flask-cors/releases)
- [Changelog](https://github.com/corydolphin/flask-cors/blob/main/CHANGELOG.md)
- [Commits](corydolphin/flask-cors@4.0.1...5.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements/requirements-dev.txt

@@ -75,7 +75,7 @@ flask==3.0.3
     #   flask-cors
     #   flask-login
     #   locust
-flask-cors==4.0.1
+flask-cors==5.0.0
     # via locust
 flask-login==0.6.3
     # via locust