This update for obs-service-format_spec_file fixes the following issues:

obs-service-format_spec_file was updated to version 20190312:

- prepare_spec: try to keep rich deps unbroken (bsc#1125035)
- In spec file header use https not http when pointing to bugzilla.

This update was imported from the SUSE:SLE-15:Update update project.
This update was imported from the openSUSE:Leap:15.0:Update update project.