std.Target: Add Os.HurdVersionRange for Os.Tag.hurd.
This is necessary since isGnuLibC() is true for hurd, so we need to be able to
represent a glibc version for it.
Also add an Os.TaggedVersionRange.gnuLibCVersion() convenience function.
24ecf45569Alex Rønne Petersen committed on 11/24/2024, 9:11:16 PMparent6d781e0