modernize-use-std-bit

Finds common idioms which can be replaced by standard functions from the <bit> C++20 header.

Covered scenarios:

Expression	Replacement
x && !(x & (x - 1))	std::has_one_bit(x)
(x != 0) && !(x & (x - 1))	std::has_one_bit(x)
(x > 0) && !(x & (x - 1))	std::has_one_bit(x)