Merge branch '328338-inconsistent-initial-line-in-merge-request-and-issue-creation-emails' into 'master'

Make new issue, merge request and epic email have the same format

See merge request gitlab-org/gitlab!59718

Start backfill for primary key conversion to int8 for ci_job_artifacts

See merge request gitlab-org/gitlab!59786

Externalize strings in background_jobs/show.html.haml

See merge request gitlab-org/gitlab!58141

Use Rack::Test::UploadedFile instead of fixture_file_upload [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!59237

Add transition CSS to job hovers in pipeline graph

See merge request gitlab-org/gitlab!60039

Externalize strings in users/_projects.html.haml

See merge request gitlab-org/gitlab!58110

Document delayed project removal inheritance and enforcement

See merge request gitlab-org/gitlab!59059

Externalize strings in users/projects.html.haml

See merge request gitlab-org/gitlab!58122

See https://gitlab.com/gitlab-org/gitlab/-/issues/325614

Changelog: other

Clean naming suggestions for Redis HLL events

See merge request gitlab-org/gitlab!59351

Externalise strings in broadcast_messages/_form.html.haml

See merge request gitlab-org/gitlab!58143

Externalise strings in broadcast_messages/_form.html.haml

Follow up: Compare write-ahead replication log for `sidekiq server replica`

See merge request gitlab-org/gitlab!59977

Remove pages and replace with redirects

See merge request gitlab-org/gitlab!60034

Add test report empty state

See merge request gitlab-org/gitlab!59812

Remove the `maven_packages_group_level_improvements` feature flag [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!59748

In the new pipeline graph layout with dependencies, if
the user hover between jobs, it used to flicker because
there was no transition. This commit adds transition on
job components.

OKR: Update UI text and docs - Google Chat

See merge request gitlab-org/gitlab!59518

OKR: Review UI text and docs for Flowdock integration

See merge request gitlab-org/gitlab!59388

Pipeline Links: Add hover tip callout to backend

See merge request gitlab-org/gitlab!59965

Add validation for alert id with respective specs

See merge request gitlab-org/gitlab!59676

Add Cascading Settings developer documentation

See merge request gitlab-org/gitlab!58917

Compress images with pngquant

See merge request gitlab-org/gitlab!59952

Remove menu/sidebars from Admin images

See merge request gitlab-org/gitlab!60027

Fix spec for pg12 in usage_data_queries_spec.rb

See merge request gitlab-org/gitlab!59954

Add clarifying note on group CODEOWNERS

See merge request gitlab-org/gitlab!59904

Remove menu/sidebar from User doc screenshots

See merge request gitlab-org/gitlab!60026

Add documentation about the license encryption keys

See merge request gitlab-org/gitlab!60002