Update pyflakes to 4.0.0

[pyup-bot]

This PR updates pyflakes from 3.1.0 to 4.0.0.

Changelog

4.0.0

- Add support for python 3.15
- Drop support for EOL python 3.9
- Add new errors for ``lazy`` imports:
 - lazy import is eagerly used at module scope
 - ``lazy from ... import *`` is invalid syntax
 - ``lazy from __future__ import ...`` is invalid syntax
 - lazy import must be at module scope
- Improve typing specialization:
 - Handle ``cast(...)`` with named arguments
 - Fix duplicate errors in first argument of ``cast(...)``
 - Handle ``TypeVar(... default='...')``
 - Fix missing error for first argument of ``TypeVar(...)`` call
 - Update handling of ``NamedTuple(...)`` for python 3.15 changes
 - Update handling of ``TypedDict(...)`` for python 3.13 changes
 - Add handling of ``assert_type(...)``
 - Add handling of ``NewType(...)``
 - Add handling of ``TypeVarTuple(...)``
 - Add handling of ``ParamSpec(...)``
- Fix assignment expressions in dictionary literals
- Remove ``file_tokens`` parameter to ``Checker``.  Unused since 3.0.0
- Fix false-negative for deleting special variables such as ``del __tracebackhide__``
- Add support for ``python3t`` shebangs
- Remove support for obsolete ``python3m`` and ``pythonu`` shebangs

3.4.0

- Add support for python 3.14
- Add "t-string is missing placeholders" error
- Fix annotation erroneously causing a name to be defined with
``from __future__ import annotations``
- Add support for always-deferred annotations (PEP 749)

3.3.2

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

3.3.1

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

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

3.2.0

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

Links

• PyPI: https://pypi.org/project/pyflakes
• Changelog: https://data.safetycli.com/changelogs/pyflakes/
• Repo: https://github.com/PyCQA/pyflakes

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (5f02dc7) to head (efb3b46).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #740   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           12        12           
  Lines          126       126           
=========================================
  Hits           126       126           

Flag	Coverage Δ
	?

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.