Bump host tools deployment version for Darwin OS (#61460) (#63464)
* Bump host tools deployment version for Darwin OS
* Update availability_define.swift
* Fix the test to use @backDeployed from @_backDeploy
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Co-authored-by: Mishal Shah <shahmishal@users.noreply.github.com>
(cherry picked from commit a490db377ac45b3919cf5f3bfb1b866d15bd7f44)
Co-authored-by: Rintaro Ishizaki <rishizaki@apple.com>