Go Client v7.5

[khaf]

This a minor feature and fix release.

• New Features

  • CLIENT-2968 Support new v71 proxy features:
  • Info command.
  • QueryPolicy.QueryDuration
  • CLIENT-3012 Support new server 7.1 info command error response strings.

• Improvements

  • CLIENT-2997 Scans should work in a mixed cluster of v5.7 and v6.4 server nodes.
  • CLIENT-3012 Support new server 7.1 info command error response strings.
  • CLIENT-3020 Change ReadModeSC doc from server to client perspective.