Upgrade go-sdk to v0.2.7 and vendor deps

Changelog for 0.16.16:

• PR #982 upgrade go-sdk to v0.2.7 and vendor deps by @nitishkumar71
• PR #979 Explicitly set default init branch when creating repos by @welteki

Commits
7934de9 upgrade go-sdk to v0.2.7 and vendor deps by @nitishkumar71
d8d3920 Explicitly set default init branch when creating repos by @welteki

Changes: 0.16.15...0.16.16

Generated by Derek