Swaps FK for ci_sources_projects.source_project_id to projects

Changelog: changed

Merge branch '346645-eng-add-structured-event-tracking-to-secure-your-project-banner-on-saas' into 'master'

Add structured event tracking to Security upgrade banner

See merge request gitlab-org/gitlab!78919

Swap FK ci_project_monthly_usages.project_id to projects for LFK

See merge request gitlab-org/gitlab!79073

Import Project LFS Objects as part of GitLab Migration

See merge request gitlab-org/gitlab!77101

Remove feature flag `ff_external_audit_events_namespace`

See merge request gitlab-org/gitlab!79117

Fix Rails/SaveBang offenses

See merge request gitlab-org/gitlab!75984

Changelog: other

Update seat_usage references

See merge request gitlab-org/gitlab!78450

Changelog: other
EE: true

Clarify allowed regexp syntax used CI config

See merge request gitlab-org/gitlab!78671

Remove no longer necessary Vale steps

See merge request gitlab-org/gitlab!79246

Fix emoji menu being behind diff file tree list

See merge request gitlab-org/gitlab!79031

Deprecate Runner REST API maintainer_note with maintenance_note

See merge request gitlab-org/gitlab!78677

Add compound index for `vulnerabilities` table on `project_id` and `id`

See merge request gitlab-org/gitlab!79171

Add coverage for ReplicableModel.verifiables

See merge request gitlab-org/gitlab!79066

Doc review for "Adds API feature configuring default mr target"

See merge request gitlab-org/gitlab!79219

Converted draft note pending label to GlBadge

See merge request gitlab-org/gitlab!78891

Swap FK ci_runner_projects.project_id to projects for LFK

See merge request gitlab-org/gitlab!79022

Remove duplicate `ci_pipelines.merge_request_id`

See merge request gitlab-org/gitlab!79220

Check size of /var/log/btmp

See merge request gitlab-org/gitlab!78955

 - Add LFS Objects to GitLab Project Migration in order
   to have closer feature parity with file-based
   Import/Export

Add clearer testing and cost to run of reference architectures

See merge request gitlab-org/gitlab!78705

Fix OpenStruct use in metadata_extraction_service

See merge request gitlab-org/gitlab!74271

Use default_enabled: yaml for usage_data increment_counter API

See merge request gitlab-org/gitlab!77982

Add World.prepend_mod to allow JH override

See merge request gitlab-org/gitlab!79098

Changelog: other
EE: true

Fix Rails/SaveBang offenses for spec/lib/gitlab/import_export/

See merge request gitlab-org/gitlab!75986

Changelog: other

Update doc/api/jobs.md

See merge request gitlab-org/gitlab!79115

Changelog: fixed

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/349230

Swaps FK for ci_runner_projects.project_id to projects

Changelog: changed

Add user documentation about Spamcheck

See merge request gitlab-org/gitlab!76830

Signed-off-by: Balasankar "Balu" C <balasankar@gitlab.com>

Add additional feature flag details

See merge request gitlab-org/gitlab!78251