Upgrade rspec-rails to 3.8.2 and dependencies

See merge request gitlab-org/gitlab-ce!28378

Fix basic login test stability

Closes gitlab-org/quality/staging#57

See merge request gitlab-org/gitlab-ce!30446

Support additional panel types

Closes #60008

See merge request gitlab-org/gitlab-ce!30001

This introduces the single stat chart component aside from
the area chart component

Fix `simple_format` undefined error #60179

Closes #60179

See merge request gitlab-org/gitlab-ce!30366

Adds a Rubocop cop for Rails.logger

Closes #54102

See merge request gitlab-org/gitlab-ce!30415

Suggests to use a JSON structured log instead

Related to https://gitlab.com/gitlab-org/gitlab-ce/issues/54102

Fix whitespace in many administration docs (part 2)

See merge request gitlab-org/gitlab-ce!30555

Many code blocks are 4spaced, and they render in GitLab
without coloring as a result, even though they are
fenced with a language label. If in a list, other items
will render as being in a code block too, even if not
meant to. This fixes all these issues for many admin
docs (part 2)

Edit GraphQL general availability text

See merge request gitlab-org/gitlab-ce!30541

Moving Pgbouncer HA documentation out of database documentation

Closes #63540

See merge request gitlab-org/gitlab-ce!30471

Improve performance of fetching environments statuses

Closes #62589

See merge request gitlab-org/gitlab-ce!30560

This brings the rspec-core version in line with the Gitaly changes
and introduces Rails 5.1/5.2 improvements.

Full CHANGELOG:
https://github.com/rspec/rspec-rails/blob/master/Changelog.md

Vulnerabilities API now supports pipeline_id

See merge request gitlab-org/gitlab-ce!30086

Remove deleteNote from notes service

See merge request gitlab-org/gitlab-ce!30537

Add docs on project-based dashboard config

See merge request gitlab-org/gitlab-ce!28154

Add controller spec for deploy tokens

Closes #62363

See merge request gitlab-org/gitlab-ce!30311

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Refactor common_metrics importer into a more extensible pattern

Closes #63044

See merge request gitlab-org/gitlab-ce!30012

Prepare cycle analytics for group level

See merge request gitlab-org/gitlab-ce!30356

Added css class to fix incorrect line wrap

Closes #64331

See merge request gitlab-org/gitlab-ce!30523

Fixes #64331

Upgrade Gitaly to v1.52.0

See merge request gitlab-org/gitlab-ce!30568

Adjust modal border radius to match design spec

See merge request gitlab-org/gitlab-ce!30414

Fixed dropdown hover styles

Closes #64330 and #64340

See merge request gitlab-org/gitlab-ce!30534

Workaround ESLint only resolving paths in test files

Closes #64061

See merge request gitlab-org/gitlab-ce!30296

Merge branch '64321-wrong-url-when-creating-milestones-from-instance-milestones-dashboard' into 'master'

Fix wrong URL when creating milestones from instance milestones dashboard

Closes #64321

See merge request gitlab-org/gitlab-ce!30512

Fix rubocop offences

Expose placeholder element for metrics charts in GFM

See merge request gitlab-org/gitlab-ce!29861