Issuing a SIGUSR2 to a unicorn involves a dance where new workers are
spun up before the old ones are shut down. To ensure Prometheus
.db files aren't deleted after the new workers are shut down, we
need to clean these files up before the unicorn process is run.

Relates to https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/2582

Fix input placeholder text color

Closes #47645

See merge request gitlab-org/gitlab-ce!19633

Merge branch '47687-milestone-and-labels-dropdowns-are-misplaced-with-collapsed-sidebar' into 'master'

Resolve "Milestone and labels dropdowns are misplaced with collapsed sidebar"

Closes #47687

See merge request gitlab-org/gitlab-ce!19666

Fix: New project > Import gitlab.com project page

Closes #47357

See merge request gitlab-org/gitlab-ce!19656

Resolve "avatar settings page hr is misbehaving"

Closes #47245

See merge request gitlab-org/gitlab-ce!19667

Avatars and system icons on left of notes are shown on mobile

Closes #47604

See merge request gitlab-org/gitlab-ce!19585

Resolve "Revert MR modal box is too smal after BS4"

Closes #47522

See merge request gitlab-org/gitlab-ce!19603

Fix collapse sidebar button color

Closes #47354

See merge request gitlab-org/gitlab-ce!19662

Fix alignment of sign in/sign up button

Closes #47338

See merge request gitlab-org/gitlab-ce!19587

Update $theme-gray-600 and $gl-text-color-tertiary values according to Design System

Closes #47645

See merge request gitlab-org/gitlab-ce!19631

Fix contribution section aligment

Closes #47606

See merge request gitlab-org/gitlab-ce!19592

Resolve "Add SSH key message is hard to read"

Closes #47479 and gitlab-ee#6211

See merge request gitlab-org/gitlab-ce!19579

fix padding in commit info

Closes #47278

See merge request gitlab-org/gitlab-ce!19435

Relax expectation in spec/models/project_spec.rb

See merge request gitlab-org/gitlab-ce!19663

Multiple Sidekiq workers can run in the spec, causing `Project.find`
to be run in different places. Instead of setting a fixed number of
calls, just use `allow`.

GitHub Rake importer: Fail with a clearer explanation if GitLab username is wrong

See merge request gitlab-org/gitlab-ce!19653

Resolve "Fix color of page numbers"

Closes #46708

See merge request gitlab-org/gitlab-ce!19599

Unify from EE for app/uploaders/object_storage.rb

See merge request gitlab-org/gitlab-ce!19660

Add NOT_FOUND: 404 to http_status.js from EE

See merge request gitlab-org/gitlab-ce!19659

Expire Wiki content cache after importing a repository

Closes #47546

See merge request gitlab-org/gitlab-ce!19617

Revert extra CSS causing Gitaly Servers table to be misalgined

Closes #47648

See merge request gitlab-org/gitlab-ce!19623

[Rails5] Fix conversion of integer into string in board spec

Closes #47653

See merge request gitlab-org/gitlab-ce!19616

The cache state for Wikis that were imported via GitHub or Bitbucket does
not appear to have been flushed after a successful import.

Closes #47546

Resolve "Uploads specs are failing on master"

Closes #47684

See merge request gitlab-org/gitlab-ce!19638

Fix IDE pipelines eTagPoll not stopping

Closes #47678

See merge request gitlab-org/gitlab-ce!19636

Update installation from source guide

See merge request gitlab-org/gitlab-ce!19320

Set `max_old_space_size` option of node to 3.5GB during compile:assets

See merge request gitlab-org/gitlab-ce!19624

Prevent ENV from leaking variables in CI output

See merge request gitlab-org/gitlab-ce!19607

Use Tooltip component in MrWidgetAuthorTime vue component

See merge request gitlab-org/gitlab-ce!19635