…PT031`) (#16678)

## Summary

This PR stabilizes the behavior change introduced in
#15542 to allow
for statements with an empty body in `pytest.raises` and `pytest.warns`
with statements.

This raised an error before but is now allowed:

```py
with pytest.raises(KeyError, match='unknown'):
    async for _ in gpt.generate(gpt_request):
        pass
```

The same applies to 

```py
with pytest.raises(KeyError, match='unknown'):
    async for _ in gpt.generate(gpt_request):
        ...
```


There have been now new issues or PRs related to PT012 or PT031 since
this behavior change was introduced in ruff 0.9.3 (January 23rd).

…PT031`) (#16678)

## Summary

This PR stabilizes the behavior change introduced in
#15542 to allow
for statements with an empty body in `pytest.raises` and `pytest.warns`
with statements.

This raised an error before but is now allowed:

```py
with pytest.raises(KeyError, match='unknown'):
    async for _ in gpt.generate(gpt_request):
        pass
```

The same applies to 

```py
with pytest.raises(KeyError, match='unknown'):
    async for _ in gpt.generate(gpt_request):
        ...
```


There have been now new issues or PRs related to PT012 or PT031 since
this behavior change was introduced in ruff 0.9.3 (January 23rd).

* main: (53 commits)
  [syntax-errors] Tuple unpacking in `for` statement iterator clause before Python 3.9 (#16558)
  Ruff v0.10 Release (#16708)
  Add new `noqa` specification to the docs (#16703)
  describe requires-python fallback in docs (#16704)
  [red-knot] handle cycles in MRO/bases resolution (#16693)
  [red-knot] Auto generate statement nodes (#16645)
  [`pylint`] Better inference for `str.strip` (`PLE310`) (#16671)
  [`pylint`] Improve `repeated-equality-comparison` fix to use a `set` when all elements are hashable (`PLR1714`) (#16685)
  [`pylint`/`pep8-naming`] Check `__new__` argument name in `bad-staticmethod-argument` and not `invalid-first-argument-name-for-class-method` (`PLW0211`/`N804`) (#16676)
  [`flake8-pyi`] Stabilize fix for `unused-private-type-var` (`PYI018`) (#16682)
  [`flake8-bandit`] Deprecate `suspicious-xmle-tree-usage` (`S320`) (#16680)
  [`flake8-simplify`] Avoid double negation in fixes (`SIM103`) (#16684)
  [`pyupgrade`]: Improve diagnostic range for `redundant-open-mode` (`UP015`) (#16672)
  Consider all `TYPE_CHECKING` symbols for type-checking blocks (#16669)
  [`pep8-naming`]: Ignore methods decorated with `@typing.override` (`invalid-argument-name`) (#16667)
  Stabilize FURB169 preview behavior (#16666)
  [`pylint`] Detect invalid default value type for `os.environ.get` (`PLW1508`) (#16674)
  [`flake8-pytest-style`] Allow for loops with empty bodies (`PT012`, `PT031`) (#16678)
  [`pyupgrade`]: Deprecate `non-pep604-isinstance` (`UP038`) (#16681)
  [`flake8-type-checking`] Stabilize `runtime-cast-value` (`TC006`) (#16637)
  ...