Change priority extra to priority optional.

Changes-By: lintian-brush
Fixes: lintian: priority-extra-is-replaced-by-priority-optional
See-also: https://lintian.debian.org/tags/priority-extra-is-replaced-by-priority-optional.html
2 jobs for lintian-fixes in 16 seconds (queued for 5 seconds)
Status Name Job ID Coverage
  Build Pkgsrc
passed build_pkgsrc:buster #35714

00:00:06

 
  Build Pkg
failed build_pkg:buster:amd64 #35715
amd64

00:00:09

 
Name Stage Failure
failed
build_pkg:buster:amd64 Build Pkg
1 not fully installed or removed.
After this operation, 9216 B disk space will be freed.
Do you want to continue? [Y/n] (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 29725 files and directories currently installed.)
Removing gitlab-deps-build-deps (0.1+0~20210710144449~1.8ec11896) ...
mk-build-deps: Unable to install gitlab-deps-build-deps at /usr/bin/mk-build-deps line 416.
mk-build-deps: Unable to install all build-dep packages
ERROR: could not install package build dependencies
Cleaning up file based variables
ERROR: Job failed: exit code 1