Configure Vault connection with secretsmith
Summary:
The new secretsmith package is a wrapper on the top of hvac to configure
connection and authentication parameters to Vault/OpenBao.
It's also the opportunity to publish our read_secret function,
used everywhere from Sentry custom config to those reports tools.
Ref T2124
Test Plan: Deploy on WindRiver to authenticate to Vault with AppRole
Reviewers: dereckson
Reviewed By: dereckson
Maniphest Tasks: T2124
Differential Revision: https://devcentral.nasqueron.org/D3697