2.2.5

This is a security fix release for the 2.2.x release branch. Note that 2.3.x is the currently supported release branch; please upgrade to the latest version if possible.

• Security advisory: GHSA-m2qf-hxjv-5gpq, CVE-2023-30861
• Changes: https://flask.palletsprojects.com/en/2.2.x/changes/#version-2-2-5
• Milestone: https://github.com/pallets/flask/milestone/30?closed=1