Bump pyflakes from 2.4.0 to 3.1.0 in /dependencies/python

[dependabot]

Bumps pyflakes from 2.4.0 to 3.1.0.

Changelog

Sourced from pyflakes's changelog.

3.1.0 (2023-07-29)

• 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

3.0.1 (2022-11-24)

• Fix crash on augmented assign to print builtin

3.0.0 (2022-11-23)

• Detect undefined name in variable defined by an annotated assignment
• Add a new error for names which are annotated but unused
• Remove handling of python 2.x # type: comments. Use annotations instead

2.5.0 (2022-07-30)

• Drop support for EOL python 2.7 / 3.4 / 3.5
• Ignore __all__ when not directly assigned
• Handle TypeAlias annotations as aliases (PEP 613)
• Assignment expressions (:=) target outer scope in comprehensions
• Add support for new python 3.11 syntax
• Unify output so it is always filename:lineno:col: message
• Properly report SyntaxError from stdin in python < 3.9
• Fix offsets of SyntaxErrors in pypy

Commits

• 58b94a0 Release 3.1.0
• afe2c4d 3.12: add support for type params and type statements (#778)
• 0727850 fix test failures in python 3.12 (#777)
• ad5e15f remove deprecated ast references (#776)
• 836631f fix error reporter and testsuite in 3.11.4+ (#775)
• f2671ff allow redefinition of functions across match arms (#772)
• e19886e fix accessed global annotation being redefined in a local scope (#765)
• e932464 produce an error when a definition shadows an unused assignment (#761)
• 33bbb82 pushScope / popScope -> with in_scope(...) (#755)
• c3273c5 handle deferred checking as a queue (#754)
• Additional commits viewable in compare view

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