Update documentation with architectural and development patterns to prevent transient bugs

See merge request gitlab-org/gitlab!51476

Fix missing known usage data event

See merge request gitlab-org/gitlab!53729

RubyGems metadata

See merge request gitlab-org/gitlab!52639

Update the max NuGet packages returned

See merge request gitlab-org/gitlab!52265

Fix blank alert field with vuln issue

See merge request gitlab-org/gitlab!53656

Remove attributes_for from UpdateCsVulnerabilityConfidenceColumn

See merge request gitlab-org/gitlab!53381

With https://gitlab.com/gitlab-org/gitlab/-/merge_requests/52182 we
banned `attributes_for` in migration specs. This refactors one of the
offending migrations.

Documentation: Remove references to Instance for Security Center

See merge request gitlab-org/gitlab!53671

Fix misalignment of assignee dropdown checkmark

See merge request gitlab-org/gitlab!53664

Update /help link instructions

See merge request gitlab-org/gitlab!51588

Style edits in updated text.

Move the sub-section to gl-card in advanced search settings in admin

See merge request gitlab-org/gitlab!52585

Apply GitLab UI button styles to buttons in gitlab_slack_application file

See merge request gitlab-org/gitlab!53478

Fill default suggestion commit message values in the placeholder instead of showing the variable slugs

See merge request gitlab-org/gitlab!52851

Fix action button alignment for application inside the table in oauth/applications

See merge request gitlab-org/gitlab!52465

Email participants of on-call rotation when alerts occur

See merge request gitlab-org/gitlab!52388

When an alert comes in through an HTTP integration or Prometheus
integration, we'll find the user(s) who are currently on-call
and notify them of the alert. Also sends out a notification
when an alert is resolved. The email sent matches the email
sent if the project has alert emails configured.

Add Changelog

Update 231173-gl-button.yml

Remove attributes_for from UpdateUndefinedConfidenceFromOccurrences

See merge request gitlab-org/gitlab!53374

Merge branch '320792-add-an-api-rate-limit-for-new-notes-using-application-rate-limits' into 'master'

Add application rate limit for Notes creation

See merge request gitlab-org/gitlab!53637

- Add creation limit to notes controller
- Add creation limit to notes API endpoint
- Add new column to application settings
- Add new settings to Network template
- Add specs

Add rate limit to GraphQL endpoint

Add a Dogfooding Issue Template

See merge request gitlab-org/gitlab!46908

Docs rework single issue notifications

See merge request gitlab-org/gitlab!53379

Move migrated? to PagesDeployment and add scope for finding migrated deployments

See merge request gitlab-org/gitlab!53711

Add preliminary badging for Source Code docset

See merge request gitlab-org/gitlab!53532

Add a preliminary  **(FREE)** badge to the H1 line for each of these
pages. While these badges may not be correct, it will give the PMs an
opportunity to review the badging and correct it if needed.

Add project actor for ci_validate_build_dependencies feature flag

See merge request gitlab-org/gitlab!53685

Apply new GitLab UI for buttons in empty issue placeholder

See merge request gitlab-org/gitlab!53554

Added SAML and SCIM user created

See merge request gitlab-org/gitlab!53746

Add sort argument to container repos graphql

See merge request gitlab-org/gitlab!53404

Adds the rubygems_metadata table and models as
a basis for the RubyGems package registry

Clarifying where redirects.yml is

See merge request gitlab-org/gitlab!53748