Dynamic CI secret variables -- CE backport

See merge request gitlab-org/gitlab-ce!16842

Docs: replace product names

See merge request gitlab-org/gitlab-ce!16867

Converted search_autocomplete.js to use axios

See merge request gitlab-org/gitlab-ce!16943

Resolve "N+1 database queries on the snippets dashboard"

Closes #40755

See merge request gitlab-org/gitlab-ce!16944

Remove N + 1 issue for MergeRequests#show

Closes #37432 and gitaly#994

See merge request gitlab-org/gitlab-ce!16967

Update GITALY_SERVER_VERSION to 0.81.0

See merge request gitlab-org/gitlab-ce!16966

Move board list vue component

See merge request gitlab-org/gitlab-ce!16888

Add QA specs for LDAP login

See merge request gitlab-org/gitlab-ce!16914

Run bin/qa from anywhere

See merge request gitlab-org/gitlab-ce!16833

Closes #40755.

Reset `events` table primary key sequence to make sure it’s correct

Closes #42667

See merge request gitlab-org/gitlab-ce!16960

Resolve "Push to create a new project"

Closes #26388

See merge request gitlab-org/gitlab-ce!16547

Only set cwd on the newly spawned process, instead of the current one

See merge request gitlab-org/gitlab-ce!16958

# Conflicts:
#   lib/gitlab/path_regex.rb

Clarify Helm chart plans

See merge request gitlab-org/gitlab-ce!16822

Validate user, group and project paths consistently, and only once

See merge request gitlab-org/gitlab-ce!16903

Validate user namespace before saving so that errors persist on model

Closes #42140

See merge request gitlab-org/gitlab-ce!16902

Explicitly set cwd in Sidekiq memory killer instead of depending on getcwd

See merge request gitlab-org/gitlab-ce!16954

Resolve "spec/ee/spec/services/ee/projects/destroy_service_spec.rb is failing"

See merge request gitlab-org/gitlab-ce!16955

This reverts commit e6579d82, reversing
changes made to afcd9fc7.

Reset Project's column information in spec/lib/gitlab/background_migration/populate_merge_request_metrics_with_events_data_spec.rb
Signed-off-by: Rémy Coutable <remy@rymai.me>

Resolve "ProjectCacheWorker leaks file descriptors"

Closes #42730

See merge request gitlab-org/gitlab-ce!16930

Refactor Gitlab::Git code related to LFS changes for Gitaly migration

Closes gitaly#980

See merge request gitlab-org/gitlab-ce!16835