Add latest changes from gitlab-org/gitlab@master

changelogs/unreleased/remove_enable_cluster_application_crossplane_flag.yml

----
-title: Enable ability to install Crossplane app by default
-merge_request: 22141
-author:
-type: changed

changelogs/unreleased/remove_milestone_id_from_epics2.yml

----
-title: Remove milestone_id from epics
-merge_request: 20539
-author: Lee Tickett
-type: other

changelogs/unreleased/return-empty-body-for-204-responses-in-api.yml

----
-title: Return empty body for 204 responses in API
-merge_request: 22086
-author:
-type: fixed

changelogs/unreleased/return_slug_in_api_services_index.yml

----
-title: Add slug to services API response
-merge_request: 22518
-author:
-type: added

changelogs/unreleased/revert-22364.yml

+---
+title: Reverts MR diff redesign which fixes Web IDE visual bugs including file dropdown
+  not showing up
+merge_request: 23428
+author:
+type: fixed

changelogs/unreleased/revert-knative-version-prerequisite.yml

----
-title: Reverts Add RBAC permissions for getting knative version
-merge_request: 22560
-author:
-type: fixed

changelogs/unreleased/rk-118664-upgrade-monaco-editor.yml

----
-title: Updated monaco-editor dependency
-merge_request: 21938
-author:
-type: other

changelogs/unreleased/ruby-2-6-5-source.yml

----
-title: Update Ruby to 2.6.5
-merge_request: 22417
-author:
-type: other

changelogs/unreleased/runner-referees.yml

----
-title: Metrics and network referee artifact types added to job artifact types
-merge_request: 20181
-author:
-type: added

changelogs/unreleased/sample-metrics-from-ui.yml

----
-title: Backend for allowing sample metrics to be toggled from ui
-merge_request: 22901
-author:
-type: added

changelogs/unreleased/sample-metrics-without-prometheus.yml

----
-title: Show sample metrics for an environment without prometheus configured
-merge_request: 22133
-author:
-type: added

changelogs/unreleased/sh-add-pipeline-index.yml

----
-title: Add index to optimize loading pipeline charts
-merge_request: 22052
-author:
-type: performance

changelogs/unreleased/sh-bump-json-jwt.yml

----
-title: Upgrade json-jwt to v1.11.0
-merge_request: 22440
-author:
-type: security

changelogs/unreleased/sh-cut-and-paste-spreadsheets-markdown.yml

----
-title: Cut and paste Markdown table from a spreadsheet
-merge_request: 22290
-author:
-type: added

changelogs/unreleased/sh-disable-formats-in-uploads-routes.yml

----
-title: Fix upload redirections when project has moved
-merge_request: 22822
-author:
-type: fixed

changelogs/unreleased/sh-disable-prom-metrics-on-failure.yml

----
-title: Disable Prometheus metrics if initialization fails
-merge_request: 22355
-author:
-type: fixed

changelogs/unreleased/sh-drop-ci-pipelines-redundant-index.yml

----
-title: Drop redundant index on ci_pipelines.project_id
-merge_request: 22325
-author:
-type: other

changelogs/unreleased/sh-fix-ci-lint-error.yml

----
-title: Fix Error 500 in parsing invalid CI needs and dependencies
-merge_request: 22567
-author:
-type: fixed

changelogs/unreleased/sh-fix-ci-lint-errors.yml

----
-title: Gracefully error handle CI lint errors in artifacts section
-merge_request: 22388
-author:
-type: fixed

changelogs/unreleased/sh-fix-issue-197300.yml

----
-title: Fix issue CSV export failing for some projects
-merge_request: 23223
-author:
-type: fixed