[depends] mac_alias 2.0.6, ds_store 1.1.2

Summary:
Update mac_alias and ds_store python libraries in the depends subsystem.
These libs are used to run the contrib/macdeploy/custom_dsstore.py
script.

Backport of core PR11460.
https://github.com/bitcoin/bitcoin/pull/11460/files

Test Plan: Run the OSX gitian build.

Reviewers: #bitcoin_abc, deadalnix, jasonbcox

Reviewed By: #bitcoin_abc, jasonbcox

Differential Revision: https://reviews.bitcoinabc.org/D4363