Bump src/bits-service
Bump src/bits-service

Bump src/bits-service
  Steffen Uhlig:
     Re-generate diagrams using guard
     Add mail map
  Peter Goetz:
     Update onboarding instructions [ci skip]

cloudfoundry-incubator/bits-service-release,cloudfoundry-incubator/bits-service-release,cloudfoundry-incubator/bits-service-release,cloudfoundry-incubator/bits-service-release