Auto merge of #109773 - beetrees:set-file-time-improvements, r=Amanieu

Add creation time support to `FileTimes` on apple and windows

Adds support for setting file creation times on platforms which support changing it directly (currently only Apple and Windows). Based on top of #110093 (which was split from this PR).

ACP: rust-lang/libs-team#199 (currently still in progress)

Tracking issue: #98245

`@rustbot` label +T-libs-api -T-libs

Author: bors