RenovateBot: Update dependency Flask-Cors to v4

This MR contains the following updates:

Package	Update	Change
Flask-Cors	major	==3.0.10 -> ==4.0.0

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Release Notes

corydolphin/flask-cors (Flask-Cors)

v4.0.0

Compare Source

What's Changed

• Remove support for Python versions older than 3.8 by @​WAKayser in https://github.com/corydolphin/flask-cors/pull/330
• Add GHA tooling by @​corydolphin in https://github.com/corydolphin/flask-cors/pull/331

New Contributors

• @​WAKayser made their first contribution in https://github.com/corydolphin/flask-cors/pull/330

Full Changelog: https://github.com/corydolphin/flask-cors/compare/3.1.01...v4.0.0

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