Prepackage vendored gems in collector

Bump src/collector:

Chris Brown and Tony Hansmann (1):
      added sending uptime in seconds for dea to datadog [#53593739]

David Julia and Matt Royal (1):
      vcap_common 2.2.1 has not been published. Use git

Maria Shaldibina and Mark Rushakoff (4):
      Fix DEA fixture for broken test
      Send uptime for all components
      Collector reports router's total seconds since last registry update
      Remove vendor cache and unused gems