[newlib-cygwin] Created tag 'newlib-4.3.0'

[Jeff Johnston]

The unsigned tag 'newlib-4.3.0' was created pointing to:

 9e09d6ed8... Bump up newlib to 4.3.0

Tagger: Jeff Johnston <jjohnstn@redhat.com>
Date: Fri Jan 20 16:34:58 2023 -0500

    Newlib snapshot for 4.3.0