Merge branch 'security-users-can-update-their-password-without-entering-current-password' into 'master'

[Master] No longer allow password change without previous password being provided

See merge request gitlab/gitlabhq!2383

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Fix fast admin counters not working when PostgreSQL has secondaries

Closes #46742

See merge request gitlab-org/gitlab-ce!19154

Use Gitaly's DeleteAllRepositories RPC during backup restore

Closes gitaly#1194

See merge request gitlab-org/gitlab-ce!19086

Add username to terms message in git and API calls

Closes #46649

See merge request gitlab-org/gitlab-ce!19126

Update redis-namespace to 1.6.0

Closes #46846

See merge request gitlab-org/gitlab-ce!19166

Persist and use truncated note diffs instead requesting Gitaly in a N+1 manner on MR page

Closes #45190

See merge request gitlab-org/gitlab-ce!18991

Don't pass the repository path to Gitlab Shell

See merge request gitlab-org/gitlab-ce!19011

Fix failing static-analysis pipeline

Closes #46859

See merge request gitlab-org/gitlab-ce!19174

Add docs for frontend accessibility

See merge request gitlab-org/gitlab-ce!17624

Update Frontend documentation regarding Vue and Icons/Illustrations

See merge request gitlab-org/gitlab-ce!18995

This commit does a number of things:

1. Reduces the number of queries needed by perform a single query to get all
the tuples for the relevant rows.

2. Uses a transaction to query the tuple counts to ensure that the data
is retrieved from the primary.

Closes #46742

Backport changes of gitlab-ee!5852

See merge request gitlab-org/gitlab-ce!19145

Fix encoding of branch names on compare and new merge request page

Closes #46627

See merge request gitlab-org/gitlab-ce!19143

Upgrade to Bootstrap 4

Closes #45185 and #46710

See merge request gitlab-org/gitlab-ce!18232

Merge branch '46740-projectmilestones-setting-start_date-via-the-api-requires-a-second-parameter' into 'master'

Resolve "ProjectMilestones: Setting start_date via the API requires a second parameter"

Closes #46740

See merge request gitlab-org/gitlab-ce!19133

Authentiq gem update

See merge request gitlab-org/gitlab-ce!19137

Remove Gemnasium badge from project's README.md

Closes #45404

See merge request gitlab-org/gitlab-ce!19136

Remove dead link to Google Drive

See merge request gitlab-org/gitlab-ce!19139

Bring CE-EE parity to app/services/projects/destroy_service.rb

See merge request gitlab-org/gitlab-ce!19111

Resolve "gitlab 10.8 assumes that installation is a git working copy."

Closes #46600

See merge request gitlab-org/gitlab-ce!19125

Init documentation for embedded snippets

See merge request gitlab-org/gitlab-ce!19120

Resolve "Typo on the empty Pipelines page"

Closes #46768

See merge request gitlab-org/gitlab-ce!19140