devel/rubygem-prometheus-client-mmap: udpate to 1.1.0
Required for gitlab-ce 16.8.
Changelog:
https://gitlab.com/gitlab-org/ruby/gems/prometheus-client-mmap/-/blob/master/CHANGELOG.md?ref_type=heads
(cherry picked from commit 09be845431ea45cbca7d9e76cd2c1c009b95035b)