Add latest changes from gitlab-org/gitlab@master

changelogs/unreleased/jej-group-saml-test-button-shows-response.yml

----
-title: Users can verify SAML configuration and view SamlResponse XML
-merge_request: 18362
-author:
-type: added

changelogs/unreleased/jej-prevent-ldap-sign-in.yml

----
-title: Add prevent_ldap_sign_in option so LDAP can be used exclusively for sync
-merge_request: 18749
-author:
-type: added

changelogs/unreleased/jh_flash_messages_styling_22992.yml

----
-title: Update flash messages color sitewide
-merge_request: 18369
-author:
-type: changed

changelogs/unreleased/jivanvl-add-support-heatmap-charts.yml

----
-title: Add heatmap chart support
-merge_request: 32424
-author:
-type: added

changelogs/unreleased/jj-ramirez-master-patch-71805.yml

----
-title: Update Runners Settings Text + Link to Docs
-merge_request: 18534
-author:
-type: changed

changelogs/unreleased/jlenny-master-patch-21737.yml

----
-title: Improve clarity of text for merge train position
-merge_request: 19031
-author:
-type: changed

changelogs/unreleased/job-log-support-mac-line-break.yml

----
-title: Let ANSI \r code replace the current job log line
-merge_request: 18933
-author:
-type: fixed

changelogs/unreleased/jramsay-admin-mirror-helptext.yml

----
-title: Improve instance mirroring help text
-merge_request: 19047
-author:
-type: other

changelogs/unreleased/jramsay-configure-default-branch-deletion.yml

----
-title: Add project option for deleting source branch
-merge_request: 18408
-author: Zsolt Kovari
-type: added

changelogs/unreleased/lm-grafana-auth-checkbox.yml

----
-title: Add grafana integration active status checkbox
-merge_request: 19255
-author:
-type: added

changelogs/unreleased/lm-search-list-of-sentry-errors.yml

----
-title: Search list of Sentry errors by title in Gitlab
-merge_request: 18772
-author:
-type: added

changelogs/unreleased/maintenance-move-branch-selector-to-top.yml

----
-title: Reduce new MR page redundancy by moving the source/target branch selector to
-  the top
-merge_request: 17559
-author:
-type: changed

changelogs/unreleased/make-register-job-service-to-be-resillient.yml

----
-title: Make `jobs/request` to be resillient
-merge_request: 19150
-author:
-type: fixed

changelogs/unreleased/make_cluster_management_project_ff_default_enabled.yml

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-title: Specify management project for a Kubernetes cluster
-merge_request: 20216
-author:
-type: added

changelogs/unreleased/mc-bug-omips-not-blocking-on-skipped-pipelines.yml

----
-title: Block MR with OMIPS on skipped pipelines.
-merge_request: 18838
-author:
-type: fixed

changelogs/unreleased/mc-feature-flatten-ci-scripts.yml

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-title: Add support for YAML anchors in CI scripts.
-merge_request: 18849
-author:
-type: changed

changelogs/unreleased/mermaid-update.yml

----
-title: Update to Mermaid v8.4.2 to support more graph types
-merge_request: 19444
-author:
-type: changed

changelogs/unreleased/most-affected-projects.yml

----
-title: Add endpoint for a group's vulnerable projects
-merge_request: 15317
-author:
-type: added

changelogs/unreleased/nfriend-add-release-links-to-milestone-detail-page.yml

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-title: Add links to associated release(s) to the milestone detail page
-merge_request: 17278
-author:
-type: added

changelogs/unreleased/nfriend-add-release-to-milestone-list-page.yml

----
-title: Add links to associated releases on the Milestones page
-merge_request: 16558
-author:
-type: added