2.3.0

Features

• Expose option to register a callback for rate limit breaches
  of default limits via the ~flask_limiter.Limiter.on_breach
  constructor parameter
• Replace use of flask.g with request context for keeping track of
  extension state (327)
• Rework implementation of ~flask_limiter.Limiter.exempt to accomodate
  nested blueprints. (326)

Chores

• Add python 3.11 to CI
• Extract management and filtering of limits to LimitManager
• Improve correctness of resolving inherited limits & extensions
  when working with Blueprints (especially nested ones)