Merge branch 'feature/sm/35954-create-kubernetes-cluster-on-gke-from-k8s-service' of https://gitlab.com/gitlab-org/gitlab-ce into feature/sm/35954-create-kubernetes-cluster-on-gke-from-k8s-service

* 'feature/sm/35954-create-kubernetes-cluster-on-gke-from-k8s-service' of https://gitlab.com/gitlab-org/gitlab-ce:
  Use utc for time comparision

Resolve "Protected branch selector not found in test"

Closes #38835

See merge request gitlab-org/gitlab-ce!14719

Allow merge when no pipeline success

Closes #38389

See merge request gitlab-org/gitlab-ce!14633

Added popover paradigm to ux guide

Closes gitlab-design#45 and gitlab-design#36

See merge request gitlab-org/gitlab-ce!14552

Use full URL of user avatar on webhook push

Closes #34339

See merge request gitlab-org/gitlab-ce!14706

Merge branch 'feature/sm/35954-create-kubernetes-cluster-on-gke-from-k8s-service' of gitlab.com:gitlab-org/gitlab-ce into feature/sm/35954-create-kubernetes-cluster-on-gke-from-k8s-service

Add external link for online artifacts

Closes #34102

See merge request gitlab-org/gitlab-ce!14399

Gitaly namespace service enabled for GitLab

See merge request gitlab-org/gitlab-ce!14274

Improve GitHub import performance

Closes #36288, #36292, and #38467

See merge request gitlab-org/gitlab-ce!14445

Improve GitHub import performance

Closes #36288, #36292, and #38467

See merge request gitlab-org/gitlab-ce!14445

Resolve "Protected branch form should have sane defaults for dropdowns"

Closes #32163

See merge request gitlab-org/gitlab-ce!14278

Save a query on the todos index page

See merge request gitlab-org/gitlab-ce!14686

Minor backport from EE

See merge request gitlab-org/gitlab-ce!14705

Merge remote-tracking branch 'origin/master' into feature/sm/35954-create-kubernetes-cluster-on-gke-from-k8s-service

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

Send a confirmation email when the user adds a secondary email address

Closes #37385, #28621, and #36959

See merge request gitlab-org/gitlab-ce!14703

Only add identities to a user if we find one in Gitlab::OAuth::User.

Closes #38801

See merge request gitlab-org/gitlab-ce!14702