Update Time-HiRes to CPAN version 1.9750

Update Time-HiRes to CPAN version 1.9750

  [DELTA]

1.9750 [2017-12-22]
 - update META.yml and META.json for XSLoader instead of DynaLoader
   [rt.cpan.org #123933]

1.9749 [2017-12-21]
 - CPAN release
 - Quieten Time-HiRes test noise: blead 0f009486
 - Switch some core modules to XSLoader: blead b9a5a78f [rt.cpan.org #129789]
 - disable a flapping test for CI: blead cd2a978d
 - Avoid newGVgen in blead-upstream modules: blead 732d3893
 - Declaration after statement in typemap: blead d269f586
 - semicolon-friendly diagnostic control: blead 7347ee54
 - in macOS (OS X) check properly in runtime whether futimens()
   and utimensat() are available

1.9748 [2017-12-16]
 - bleadperl only
 - semicolon-friendly diagnostic control: blead 7347ee54

1.9747 [2017-09-13]
 - bleadperl only
 - Switch some core modules to XSLoader: blead b9a5a78f [rt.cpan.org #129789]