BRE-107 - Update Bitgo-CLI version to 4.17.8 for Sprint Frozone release.
BRE-107 - Update Bitgo-CLI version to 4.17.8 for Sprint Frozone release.

Reviewers: tyler

Reviewed By: tyler

Differential Revision: https://phabricator.bitgo.com/D9350

BitGo/bitgo-cli