Use error messages provided by backend to show on UI
when any error occurs during Epic add action.

- return specific error messages when
adding a single child epic which fails
- keep (mostly) general errors when
adding more child epics at once

Merge branch '197369-group-and-instance-security-dashboards-hit-the-vulnerabilities-summary-endpoint-without' into 'master'

Skip summary endpoint for Group and Instance Security Dashboard

See merge request gitlab-org/gitlab!23757

The Group and Instance Security Dashboards hit the vulnerability
summary endpoint, even though they're not using the data from it

Frontend: Remove confidence from security reports

See merge request gitlab-org/gitlab!24033

Application limit for ES indexed field length

See merge request gitlab-org/gitlab!24345

Add version badge for Service Desk feature

See merge request gitlab-org/gitlab!24753

Using the plan_limit table we can down store a limit for the maximum
size of any fields being indexed in Elasticsearch. This is for
https://gitlab.com/gitlab-org/gitlab/issues/201826 . Any strings above
the length limit will be truncated down to the limit.

We default to 0 which means unlimited so this has no affect for
self-managed customers. On GitLab.com we will likely want to set this to
around 20k as a sensible upper limit on what we should store.

Add grammar linting tests for Latin phrases in docs

Closes #199110

See merge request gitlab-org/gitlab!23798

Refactor specs for FeatureFlagsController

See merge request gitlab-org/gitlab!24446

Fix cache:key:prefix section documentation format.

See merge request gitlab-org/gitlab!24677

Add intro and link to dev docs for GraphQL

See merge request gitlab-org/gitlab!24750

Update links to MRs in various projects

See merge request gitlab-org/gitlab!24733

Add context to the ExpiringWorker

See merge request gitlab-org/gitlab!24686

Update dependency @sourcegraph/code-host-integration to v0.0.30

See merge request gitlab-org/gitlab!24683

Inline reconfigure instruction in Praefect docs

See merge request gitlab-org/gitlab!24712

Separate note entities into own class files

See merge request gitlab-org/gitlab!24732

Set timeout for Kubeclient

See merge request gitlab-org/gitlab!23970

Fix hour-dependent spec in error_tracking_shared_context.rb

See merge request gitlab-org/gitlab!24734

The test was failing because the expected format included the leading 0
in "08:01:29 AM UTC" instead of omitting it in "8:01:29 AM UTC".  As
https://ruby-doc.org/stdlib-2.6.5/libdoc/date/rdoc/DateTime.html
mentions, we can omit the leading value by using `%-l` in `strftime`.

Added how pipeline quotas is assigned to projects

See merge request gitlab-org/gitlab!20688

Links to MRs now need hyphens, added as needed.

Remove .git/config from cached repo

See merge request gitlab-org/gitlab!24731

Port `trigger` keyword to Core (2/4) - move Bridge-Pipeline interactions

See merge request gitlab-org/gitlab!24382

Document why Junit Reports off by default

See merge request gitlab-org/gitlab!24398

More code block languages

See merge request gitlab-org/gitlab!24726

Related to issue 32881

Geo - Remove useless comment on Geo::BlobReplicatorStrategy

See merge request gitlab-org/gitlab!24704

Separate key and other entities into own class files

See merge request gitlab-org/gitlab!24495

fix: 198645 NPM dependencies, remove deprecated key

Closes #198645

See merge request gitlab-org/gitlab!23745

Standardize timestamps in Unicorn logs

See merge request gitlab-org/gitlab!24612