Summary:
Original commit: 23d3022e8dd30eacdcafd47b0b75695733b21790 / D41167
Use our internally hosted mirror of azcopy, microsoft servers are unreliable.

Test Plan: Ensured the new URLs works to download the tarball.

Reviewers: devops, steve.varnau, daniel

Reviewed By: daniel

Subscribers: devops, yugaware

Differential Revision: https://phorge.dev.yugabyte.com/D41240