Users downloading non-ASCII attachments would see garbled characters.
When used with object storage, AWS S3 would return an InvalidArgument
error: Header value cannot be represented using ISO-8859-1.

Per RFC 5987 and RFC 6266, Content-Disposition should be encoded
properly. This commit takes the Rails 6 implementation of
ActiveSuppport::Http::ContentDisposition
(https://github.com/rails/rails/pull/33829) and ports it here.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/47673

Update dependency @gitlab/ui to ^2.0.2

See merge request gitlab-org/gitlab-ce!24915

Allow SshHostKey.find_by to accept string keys

See merge request gitlab-org/gitlab-ce!24903

Handle metrics graph resize events

See merge request gitlab-org/gitlab-ce!24649

Add groupMembers to api.js

See merge request gitlab-org/gitlab-ce!24892

gitlab-ui update with the new charting setup

Closes #56987

See merge request gitlab-org/gitlab-ce!24807

Changed external wiki query method to prevent attribute caching

Closes #57228

See merge request gitlab-org/gitlab-ce!24907

Externalize strings from `/app/views/instance_statistics`

See merge request gitlab-org/gitlab-ce!24809

Update Workhorse to v8.2.0

See merge request gitlab-org/gitlab-ce!24909

Replace h-13em with h-12em

See merge request gitlab-org/gitlab-ce!24895

CE Port of "Extract extension method from mr_widget_options"

See merge request gitlab-org/gitlab-ce!24891

Merge branch '46448-add-timestamps-for-each-stage-of-gitlab-rake-gitlab-backup-restore' into 'master'

Resolve "Add timestamps for each stage of gitlab-rake gitlab:backup:restore"

Closes #46448

See merge request gitlab-org/gitlab-ce!19684

Add programming language filtering to `/projects`

Closes #51759

See merge request gitlab-org/gitlab-ce!24377

Merge branch 'master' into '46448-add-timestamps-for-each-stage-of-gitlab-rake-gitlab-backup-restore'

# Conflicts:
#   spec/tasks/gitlab/backup_rake_spec.rb

Fine-tune Review Apps pod resource requests

See merge request gitlab-org/gitlab-ce!24630

Downcase aliased OAuth2 callback providers

Closes #57156

See merge request gitlab-org/gitlab-ce!24877

Resizes metrics graph on window and sidebard width changes

Fix Detect Host Keys not working

Closes #56855

See merge request gitlab-org/gitlab-ce!24884

accured -> occurred, as suggested in…

See merge request gitlab-org/gitlab-ce!23629

DB and model changes for Sentry project selection dropdown

See merge request gitlab-org/gitlab-ce!24677

Refactor helper in environments controller for clarity

See merge request gitlab-org/gitlab-ce!24781

Consume jobs from dead and retry queues

See merge request gitlab-org/gitlab-ce!24881

Use ECharts for metrics dashboard graphs

See merge request gitlab-org/gitlab-ce!24648

Fix template labels

Closes #55744

See merge request gitlab-org/gitlab-ce!24803

Resolve "Block emojis and symbol characters from user's full names"

Closes #50521

See merge request gitlab-org/gitlab-ce!24523

Backport of ee/9235: Add LDAP integration to smartcard authentication

See merge request gitlab-org/gitlab-ce!24704

Fix ReturnInVoidContext rubocop offense

See merge request gitlab-org/gitlab-ce!24857

Update UI of admin appearance settings

See merge request gitlab-org/gitlab-ce!24685

Merge branch '19745-forms-with-task-lists-can-be-overwritten-when-editing-simultaneously' into 'master'

Forms with task lists can be overwritten when editing simultaneously

See merge request gitlab-org/gitlab-ce!23938

Resolve "UI bug adding group members with lower permissions"

Closes #55098

See merge request gitlab-org/gitlab-ce!24820