Merge branch '11212-improve-default-title-and-description-of-issues-opened-from-managed-prometheus-alerts' into 'master'

Resolve "Improve default title and description of issues opened from managed Prometheus alerts"

See merge request gitlab-org/gitlab-ee!14614

Parse and expose alert's `startsAt`

Parse strictly RFC3339

Present alert's `starts_at` as RFC3339

Expose alert's `starts_at` in the incident summary

Parse `labels/alertname` as alert title

Add missing spec for Alert#description

Add missing specs for Alert#annotations

Add missing spec for Alert#starts_at

Add missing specs for Alert#valid?

Tweak specs for Alert#{gitlab_alert,environment}

Parse full_query from generatorURL

Move creation of incident summary into presenter

Expose alert's full query if available

Adjust specs for alert mails

`startsAt` is now mandatory

Add changelog entry

Remove implicit `nil` in rescue

Define `let` before the `before` block

Inline key-value split

Define value inside the shared example

Improve example naming

Apply review suggestions

[EE]  Set the name of a user-namespace to the user name

See merge request gitlab-org/gitlab-ee!14629

Upgrade to Rails 5.2

See merge request gitlab-org/gitlab-ee!12145

Move the gitlab-docs project under gitlab-org

See merge request gitlab-org/gitlab-ce!30620

Port EE: Fix reply to discussion on promoted epic

See merge request gitlab-org/gitlab-ce!30411

Fix reply to discussion on promoted epic

Closes #11445

See merge request gitlab-org/gitlab-ee!14576

Resolve "Follow up: Simplify sort direction logic"

Closes #60798

See merge request gitlab-org/gitlab-ce!30443

Gather memory usage data during tests

See merge request gitlab-org/gitlab-ce!30292

Log memory stats after running each spec file and compile the report.

Gather memory usage data during tests

See merge request gitlab-org/gitlab-ee!14588

Log memory stats after running each spec file and compile the report.

Regenerate discussion_id for notes that are being copied over to the
epic when issue is promoted to epic.

https://gitlab.com/gitlab-org/gitlab-ee/issues/11445

Regenerate discussion_id for notes that are being copied over to the
epic when issue is promoted to epic.

https://gitlab.com/gitlab-org/gitlab-ee/issues/11445

Resolve "API support for group-level clusters"

Closes #55623

See merge request gitlab-org/gitlab-ce!30213

EE: Resolve "API support for group-level clusters"

See merge request gitlab-org/gitlab-ee!14519

Prevent excessive sanitization of AsciiDoc ouptut

Closes #63298

See merge request gitlab-org/gitlab-ce!30290

Include AuthorizeResource module for all mutations

See merge request gitlab-org/gitlab-ce!30243

Graphql include authorization for mutations (EE)

See merge request gitlab-org/gitlab-ee!14636

Remove trailing whitespace in docs (part 1)

See merge request gitlab-org/gitlab-ce!30648

Remove unneeded trailing whitespace in lines in
/development /ci /api and /administration docs.

Add blank lines around code blocks

See merge request gitlab-org/gitlab-ce!30651

All code blocks should be surrounded by blank lines

Remove <pre> tag and other fixes

See merge request gitlab-org/gitlab-ce!30652

Reduce cyclomatic complexity of UrlBlocker.validate!

See merge request gitlab-org/gitlab-ce!30557

https://github.com/rubocop-hq/ruby-style-guide#dangerous-method-bang

Move current issue board serialization to core (CE-backport)

See merge request gitlab-org/gitlab-ce!30507

(cherry picked from commit 1e8bdd01bff96122fe80c51fa8f024f18675b58b)

Move current issue board serialization to core

See merge request gitlab-org/gitlab-ee!14609