Update CHANGELOG-EE.md for 13.11.0-ee

CHANGELOG-EE.md

ee/changelogs/unreleased/205484-prj-set-ops-5-status.yml

...logs/unreleased/20770-move-approval-rules-to-sidekiq1.yml

ee/changelogs/unreleased/21121-fj-fix-n-1-in-projects.yml

...able-issue-perform-after-creation-tasks-async-default.yml

.../unreleased/213723-ci-job-token-public-package-access.yml

...-integrations-should-be-displayed-in-a-separate-table.yml

...ab-ui-button-styles-to-buttons-in-ee-app-views-shared.yml

.../unreleased/238125-swimlanes-update-fetching-strategy.yml

...y-page-at-profile-keys-should-mention-that-expired-ke.yml

...rrect-delete-project-index-worker-delete-index-status.yml

ee/changelogs/unreleased/263774-sast-analyzer-spacing.yml

...d-state-of-burndown-charts-are-now-fixed-message-on-m.yml

ee/changelogs/unreleased/271169-update-yaml-parsing.yml

...released/276915-fj-enable-globally-sitemap-generation.yml

...0-fe-vsa-switch-to-table-layout-for-individual-stages.yml

...lobal-search-data-migrations-add-storage-requirements.yml

.../unreleased/281598-default-on-for-vsa-horizontal-flow.yml

...ed/284471-show-loading-spinner-for-security-dashboard.yml

...eleased/284471-use-provide-inject-for-group-full-path.yml