Update CHANGELOG-EE.md for 13.11.0-ee

[ci skip]

ee/changelogs/unreleased/324241-update-date-format-for-billable-members-list.yml

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-title: Use full date in billable members list
-merge_request: 57828
-author:
-type: other

ee/changelogs/unreleased/324246-add-vulnerability-survey-request-banner.yml

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-title: Add vulnerability management survey request banner
-merge_request: 56620
-author:
-type: added

ee/changelogs/unreleased/324246-use-inject-for-vulnerabilities-export-endpoint.yml

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-title: Use provide/inject for vulnerabilities export endpoint
-merge_request: 57639
-author:
-type: other

ee/changelogs/unreleased/324269-allowed-agents.yml

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-title: New allowed_agents REST endpoint
-merge_request: 56700
-author:
-type: added

ee/changelogs/unreleased/324673-fix-error-on-default-vsa-page.yml

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-title: Fix 500 error when refreshing Value Stream Analytics page with a default stage
-merge_request: 56761
-author:
-type: fixed

ee/changelogs/unreleased/324688-form-clear.yml

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-title: Do not clear the oncall schedule rotation form if there are validation errors
-merge_request: 56901
-author:
-type: fixed

ee/changelogs/unreleased/324712-update-rotation-active-period-after-schedule-tz-change.yml

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-title: Update oncall rotation active period after schedule timezone update
-merge_request: 57069
-author:
-type: added

ee/changelogs/unreleased/324713-description.yml

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-title: Allow oncall schedule to display description
-merge_request: 56796
-author:
-type: fixed

ee/changelogs/unreleased/324713-schedule-description.yml

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-title: Allow oncall schedule timezones to encode special characters correctly
-merge_request: 56792
-author:
-type: fixed

ee/changelogs/unreleased/324714-long-name-overlap.yml

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-title: Update oncall schedule rotation names to truncate if they are too long
-merge_request: 56762
-author:
-type: fixed

ee/changelogs/unreleased/324745-preload-issues-for-elasticsearch-indexing.yml

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-title: Remove N+1 DB queries from indexing issues in Elasticsearch
-merge_request: 57788
-author:
-type: performance

ee/changelogs/unreleased/324745-preload-notes-data-for-es-indexing.yml

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-title: Improve performance of indexing notes in Elasticsearch
-merge_request: 56808
-author:
-type: performance

ee/changelogs/unreleased/324745-preload-projects-for-elasticsearch-indexing.yml

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-title: Remove N+1 DB queries from indexing projects in Elasticsearch
-merge_request: 57794
-author:
-type: performance

ee/changelogs/unreleased/324745-remove-more-n-plus-1-queries-for-indexing-notes-in-elasticsearc.yml

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-title: Fix more N+1 issues when indexing notes in Elasticsearch
-merge_request: 58751
-author:
-type: performance

ee/changelogs/unreleased/324777-dast-scan-blank-project.yml

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-title: Call out the inability to run on-demand scans without a repository being created
-merge_request: 57584
-author:
-type: changed

ee/changelogs/unreleased/324891-fe-generic-report-schema-render-named-list-list-url-types-on-vulne.yml

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-title: Add recursive list rendering to generic vulnerability reports
-merge_request: 58206
-author:
-type: added

ee/changelogs/unreleased/324971-hide-new-issue-button-on-project-issues-page-from-auditor.yml

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-title: Hide "New issue" button from Auditors on project issues page
-merge_request: 56877
-author:
-type: fixed

ee/changelogs/unreleased/324972-hide-suggest-wiki-improvement-button-on-wiki-page-from-auditors.yml

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-title: Hide "Suggest wiki improvement" button from Auditors on project wiki page
-merge_request: 56897
-author:
-type: fixed

ee/changelogs/unreleased/324974-hide-new-merge-request-button-on-analytics-code_reviews-from-au.yml

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-title: Hide "New merge request" button from Auditors on Code Review Analytics page
-merge_request: 56999
-author:
-type: fixed

ee/changelogs/unreleased/325200-missing-finding-with-exports.yml

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-title: Fix vulnerability exports when a finding is missing
-merge_request: 56903
-author:
-type: fixed