v2.2.0

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Released 2024年04月16日

• Drop support for Python 3.7. :pr:372
• Use modern packaging metadata with pyproject.toml instead of setup.cfg.
  :pr:326
• Use flit_core instead of setuptools as build backend.
• Deprecate the __version__ attribute. Use feature detection, or
  importlib.metadata.version("itsdangerous"), instead. :issue:371
• Serializer and the return type of dumps is generic for type checking.
  By default it is Serializer[str] and dumps returns a str. If a
  different serializer argument is given, it will try to infer the return
  type of its dumps method. :issue:347
• The default hashlib.sha1 may not be available in FIPS builds. Don't
  access it at import time so the developer has time to change the default.
  :issue:375