[clang-tidy] feature request: modernize-use-range should include swap

[justusranvier]

Part of modernizing a project to use ranges includes replacing uses of std::swap or instances of the "std 2-step" pattern with calls to std::ranges::swap.

Example:

std::swap(a, b);

or

using std::swap;
swap(a, b);

can both be replaced with:

std::ranges::swap(a, b);

In the latter case an unqualified call to swap should only be flagged if using std::swap; is present in the same scope before the call.

[llvmbot]

@llvm/issue-subscribers-clang-tidy

Author: Justus Ranvier (justusranvier)

Part of modernizing a project to use ranges includes replacing uses of `std::swap` or instances of the ["std 2-step"](https://stackoverflow.com/a/68516678) pattern with calls to `std::ranges::swap`.

Example:

std::swap(a, b);

or

using std::swap;
swap(a, b);

can both be replaced with:

std::ranges::swap(a, b);

In the latter case an unqualified call to swap should only be flagged if using std::swap; is present in the same scope before the call.