Don't run full gc in AfterImportService

Closes gitlab-ee#11556

See merge request gitlab-org/gitlab-ce!28239

Pull mirrors would run the `Projects::AfterImportService`, which would
force a `git gc` each time it finished. This is overkill and not
necessary now that we have refs packed more frequently
(https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/27826).

Closes https://gitlab.com/gitlab-org/gitlab-ee/issues/11556

Update option to enforce HTTPS

See merge request gitlab-org/gitlab-ce!28232

Fix Error 500 when inviting user already present

Closes #61574

See merge request gitlab-org/gitlab-ce!28198

A project admin attempting to invite an already-invited user
will see a confusing Error 500 message.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/61574

Change DetectRepositoryLanguagesWorker to not receive user

Closes #60425

See merge request gitlab-org/gitlab-ce!28091

Resolve "Flaky spec: "Dashboard > User filters projects with search bar Sorting Sorting by Stars sorts the project list" / spec/features/dashboard/user_filters_projects_spec.rb:257"

Closes #61635

See merge request gitlab-org/gitlab-ce!28224

Merge branch '6659-extract-ee-specific-files-lines-for-spec-lib-gitlab-easier-ones-ce' into 'master'

Update usage_data_spec to match EE

See merge request gitlab-org/gitlab-ce!28219

Fixes #60425

Whitelist Gitaly N+1 for forking in tests

See merge request gitlab-org/gitlab-ce!28225

CE Changes for SSO enforcement in ProjectPolicy

See merge request gitlab-org/gitlab-ce!28208

Open merge contribution about link in new tab

See merge request gitlab-org/gitlab-ce!28142

fixes clearing checked settings

Supports Matomo/Piwik string website ID ("Protect Track ID" plugin)

Closes #61606

See merge request gitlab-org/gitlab-ce!28214

Signed-off-by: Rémy Coutable <remy@rymai.me>

This helper is right on the limit of the number of calls being made.
When the request store is enabled, and Sidekiq is running in inline
mode, just a couple of additional actions result in it being pushed
over the line.

The operation is entirely artificial, since in reality we'd perform
these requests in multiple separate processes, so just whitelist it
for now.

CE: Move EE differences for app/views/groups/group_members/index.html.haml

See merge request gitlab-org/gitlab-ce!28026

Generate Let's Encrypt private key

See merge request gitlab-org/gitlab-ce!27581

doc: administration/planutml: update instructions for setting dialogs

See merge request gitlab-org/gitlab-ce!28218

Upgrade Ruby version to 2.6.3

See merge request gitlab-org/gitlab-ce!28117

Add warning that gitlab-secrets isn't included

See merge request gitlab-org/gitlab-ce!28187

i18n: externalize strings from user profile settings

See merge request gitlab-org/gitlab-ce!28088

Fix discussion notes spec timeout

Closes #61596

See merge request gitlab-org/gitlab-ce!28212

Many customers forget to include the gitlab-secrets.json file. This adds
a warning that both gitlab-secrets.json and gitlab.rb are not included
in the backup.

When using Matomo/Piwik integration, only integer website IDs can be used.
If using the "Protect Track ID" Matomo plugin (https://plugins.matomo.org/ProtectTrackID), website IDs are strings which the "_piwik.html.haml" layout file does not supports because it assumes "extra_config.piwik_site_id" variable contains an integer and prints it to JavaScript code without quotes.

This commits surrounds "extra_config.piwik_site_id" variable with double quotes (") so that it works with both integers and strings.

Issue: #61606

Better separate the component table and chart, improve grammar

See merge request gitlab-org/gitlab-ce!28211

admin/projects/show.html.haml single codebase

Closes gitlab-ee#6100

See merge request gitlab-org/gitlab-ce!28192

fix doc link issues

See merge request gitlab-org/gitlab-ce!28166

Remove k8s components, remove default status indicators

See merge request gitlab-org/gitlab-ce!28195

Part of single codebase changes.

Ruby 2.6 offers better performance and memory usage:
https://www.rubyguides.com/2018/11/ruby-2-6-new-features/

Part of https://gitlab.com/gitlab-org/gitlab-ce/issues/57323

CE backport of merge request blocks - backend MVC

See merge request gitlab-org/gitlab-ce!27323