Add latest changes from gitlab-org/gitlab@master

changelogs/unreleased/nfriend-add-environments-dashboard-message.yml

----
-title: Add informational message about page limits to environments dashboard
-merge_request: 22489
-author:
-type: added

changelogs/unreleased/nicolasdular-split-signup-full-name.yml

----
-title: Update name max length
-merge_request: 22840
-author:
-type: changed

changelogs/unreleased/notes_api_system_filter.yml

----
-title: 25968-activity-filter-to-notes-api
-merge_request: 21159
-author: jhenkens
-type: added

changelogs/unreleased/omniauth-redirect-loop.yml

----
-title: "Prevent omniauth signup redirect loop"
-merge_request: 22432
-author: Balazs Nagy
-type: fixed

changelogs/unreleased/parent-child-upstream-downstream-labels.yml

----
-title: Add child and parent labels to pipelines
-merge_request: 21332
-author:
-type: added

changelogs/unreleased/patch-36.yml

----
-title: refactor javascript to remove Immediately Invoked Function Expression from
-  project file search
-merge_request: 19192
-author: Brian Luckenbill
-type: other

changelogs/unreleased/ph-195831-hideTabPopoverForAnonUsers.yml

----
-title: Hide merge request tab popover for anonymous users
-merge_request: 22613
-author:
-type: fixed

changelogs/unreleased/pl-nil-guard-extract-sentry-external-url.yml

----
-title: Fix extracting Sentry external URL when URL is nil
-merge_request: 23162
-author:
-type: fixed

changelogs/unreleased/pokstad1-bump-gitaly-1-80-0.yml

----
-title: Update Gitaly to v1.80.0
-merge_request: 22654
-author:
-type: other

changelogs/unreleased/polish-user-popover.yml

----
-title: Remove extra whitespace in user popover
-merge_request: 19938
-author:
-type: fixed

changelogs/unreleased/pravi-gitlab-update-d3.yml

----
-title: Update d3 to 5.12
-merge_request: 20627
-author: Praveen Arimbrathodiyil
-type: other

changelogs/unreleased/prevent-job-logs-line-number-from-being-selected.yml

----
-title: Prevent job log line numbers from being selected
-merge_request: 22691
-author:
-type: fixed

changelogs/unreleased/refactor-expose-missing-mention-disabled-group-api.yml

----
-title: Expose mentions_disabled value via group API
-merge_request: 23070
-author: Fabio Huser
-type: added

changelogs/unreleased/refactor-session-disable-with-post.yml

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-title: User signout and admin mode disable use now POST instead of GET
-merge_request: 22113
-author: Diego Louzán
-type: other

changelogs/unreleased/remove-ancestor-flag.yml

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-title: Remove N+1 query issue when checking group root ancestor.
-merge_request:
-author:
-type: performance

changelogs/unreleased/remove-deployment-feature-flags.yml

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-title: Track deployed merge requests using GitLab environments and deployments
-merge_request:
-author:
-type: added

changelogs/unreleased/remove-feature-flag-import-graceful-failures.yml

----
-title: Remove feature flag for import graceful failures
-merge_request:
-author:
-type: other

changelogs/unreleased/remove-note-after-initialize.yml

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-title: Remove after_initialize and before_validation for Note
-merge_request: 22128
-author:
-type: performance

changelogs/unreleased/remove-pg-limit-fix.yml

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-title: Remove ActiveRecord patch to ignore limit on text columns
-merge_request: 22406
-author:
-type: other

changelogs/unreleased/remove-unused-project-import-state-index.yml

----
-title: Remove unused index on project_mirror_data
-merge_request: 22647
-author:
-type: performance