Bump src/code.cloudfoundry.org/gorouter
Bump src/code.cloudfoundry.org/gorouter

refactor
[finishes #171982554]

Co-authored-by: Christian Ang <66b70e9ca0e211426b717fb4d5badb79dad5d8a0@vmware.com>

cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release