Bump src/collector

Bump cloudfoundry/collector:
  Zach Robinson:
     Update nats.ping format ( Travis created: https://travis-ci.org/cloudfoundry/collector/builds/30693124 )
  Graeme Davison and Joseph Palermo:
     Add code coverage badge to readme ( Travis Success: https://travis-ci.org/cloudfoundry/collector/builds/30502839 )
     Add code coverage ( Travis Success: https://travis-ci.org/cloudfoundry/collector/builds/30502756 )

Signed-off-by: Michael Fraenkel <fraenkel@us.ibm.com>
Make hm9000 config updateable by manifest.

- fetcher_network_timeout_in_seconds
- desired_state_batch_size

[#75280894]

Signed-off-by: Michael Fraenkel <fraenkel@us.ibm.com>
Update cli used for tests to 6.3.1

[#75554862]
Signed-off-by: Michael Fraenkel <fraenkel@us.ibm.com>