Pyflakes

- Fix crash with ``global`` / ``nonlocal`` in class bodies (regressed in 3.3.0)

- Allow assignment expressions to redefine annotations (regressed in 3.3.0)

- Add ``__debuggerskip__`` as a special local
- Allow assignment expressions to redefine outer names
- Drop support for EOL python 3.8
- Add new error for unused ``global`` / ``nonlocal`` names

- Add support for ``*T`` (TypeVarTuple) and ``**P`` (ParamSpec) in PEP 695
annotations.

- Drop support for EOL python 3.6 / 3.7
- Remove ``ContinueInFinally`` check (only relevant in python < 3.8)
- Fix forward annotations inside a nested scope
- Produce an error when a definition shadows an unused variable
- Fix accessed global annotation being redefined in a local scope
- Allow redefinition of functions across ``match`` arms
- Fix potential ``None`` for ``lineno`` during tokenization errors
- Add support for PEP 695 and python 3.12

- Fix crash on augmented assign to ``print`` builtin