Oh it actually needs to deps to be pulled from upstream:

--> Processing Dependency: tfm-rubygem(prometheus-client) for package: foreman-telemetry-1.18.0.develop-1.el7sat.noarch
--> Processing Dependency: tfm-rubygem(statsd-instrument) for package: foreman-telemetry-1.18.0.develop-1.el7sat.noarch
--> Finished Dependency Resolution
Error: Package: foreman-telemetry-1.18.0.develop-1.el7sat.noarch (/foreman-telemetry-1.18.0.develop-1.el7sat.noarch)
           Requires: tfm-rubygem(prometheus-client)
Error: Package: foreman-telemetry-1.18.0.develop-1.el7sat.noarch (/foreman-telemetry-1.18.0.develop-1.el7sat.noarch)
           Requires: tfm-rubygem(statsd-instrument)
Error: Package: foreman-telemetry-1.18.0.develop-1.el7sat.noarch (/foreman-telemetry-1.18.0.develop-1.el7sat.noarch)
           Requires: foreman = 1.18.0.develop-1.el7sat
           Installed: foreman-1.18.0.0.1-0.1.el7sat.noarch (@Sat6-CI_Satellite_6_4_Composes_Satellite_6_4_RHEL7)
               foreman = 1.18.0.0.1-0.1.el7sat
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest

that stuff is built now

Build: Satellite 6.4.0 Snap 5 

yum whatprovides foreman-telemetry
foreman-telemetry-1.18.0.0.7-1.el7sat.noarch : Foreman telemetry support
Repo        : Sat6-CI_Satellite_6_4_Composes_Satellite_6_4_RHEL7



foreman-telemetry-1.18.0.0.7-1.el7sat.noarch : Foreman telemetry support
Repo        : @Sat6-CI_Satellite_6_4_Composes_Satellite_6_4_RHEL7



You have new mail in /var/spool/mail/root

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2018:2927