Adds validation for schema_migration prior to truncate.

See merge request gitlab-org/gitlab-ce!6459

update js_regex 2.2.1 -> 3.1

See merge request gitlab-org/gitlab-ce!24433

This adds a conditional statement before truncating the
`schema_migrations` table.

This comit also ports this code to Rails 5.

Merge dev.gitlab.org master into GitLab.com master

Closes #54721, #56663, #2779, #2776, #2772, #2783, #2766, #2784, #2760, #2775, #2777, #2767, #2786, #2780, and #56860

See merge request gitlab-org/gitlab-ce!24935

Convert note_app_spec.js to Vue test utils

See merge request gitlab-org/gitlab-ce!24900

Externalize strings from `/app/views/email_rejection_mailer`

See merge request gitlab-org/gitlab-ce!24869

Resolve "Update project topics styling to use badges design"

Closes #54544

See merge request gitlab-org/gitlab-ce!24415

docs: improve OpenSSH installation on Windows options

See merge request gitlab-org/gitlab-ce!24206

Update User's last_activity_on for any GET request on projects

Closes #54947

See merge request gitlab-org/gitlab-ce!24642

Cookies are no longer needed for this feature to work.

Backport: Optimize slow pipelines.js response

See merge request gitlab-org/gitlab-ce!24890

Use SVG icon for deployment series

See merge request gitlab-org/gitlab-ce!24652

Skip CSRF check on SAML failure endpoint

Closes #56574

See merge request gitlab-org/gitlab-ce!24509

Reduce diff with EE in Groups::UpdateService

See merge request gitlab-org/gitlab-ce!24912

Reduce the diff with EE in Ci::CreatePipelineService

See merge request gitlab-org/gitlab-ce!24831

Docs: add index for project operations

Closes #56115

See merge request gitlab-org/gitlab-ce!24565

Reduce diff with EE in Search::GlobalService

See merge request gitlab-org/gitlab-ce!24914

Author is Developer in sec. release MR template

See merge request gitlab-org/gitlab-ce!24934

Added fuzzy file finder to merge requests

Closes #53304

See merge request gitlab-org/gitlab-ce!24434

In order to have an accurate date about the last activity of a User
we need to update the last_activity_on field when the User is visiting
some basic pages of GitLab like pages related to Dashboards, Projects,
Issues and Merge Requests

Instructions on how to use Pages templates

Closes #56991

See merge request gitlab-org/gitlab-ce!24796

Adds helper for `find_or_create_by` in transaction

See merge request gitlab-org/gitlab-ce!24913

GitLab.com master now points at Gitaly v1.17.0. Dev master pointed at
1.14.1 due to a recent security release. That fix is present in 1.17.0
so it is safe to take the .com side here.

Cache assets in gitlab:assets:compile

Closes #56691

See merge request gitlab-org/gitlab-ce!24542