pip prod(deps): bump flask-cors from 4.0.1 to 5.0.0 in /api

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: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

api/requirements.txt

@@ -7,7 +7,7 @@ charset-normalizer==3.3.2
 click==7.1.2
 flake8==4.0.1
 Flask==1.1.4
-Flask-Cors==4.0.1
+Flask-Cors==5.0.0
 flask-restplus==0.13.0
 Flask-Script==2.0.6
 idna==3.7