Update CHANGELOG-EE.md for 13.10.0-ee

[ci skip]

ee/changelogs/unreleased/298795-ci_notification_dot-experiment-successful-cleanup.yml

----
-title: Cleanup ci_notification_dot experiment
-merge_request: 54721
-author:
-type: added

ee/changelogs/unreleased/299031-alert-events-column.yml

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-title: Add event count column to threat alerts
-merge_request: 54616
-author:
-type: added

ee/changelogs/unreleased/299238-fix-minor-ux-issues-with-group-by-within-iteration-report.yml

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-title: Add label `x` to remove labels in iteration report
-merge_request: 54708
-author:
-type: added

ee/changelogs/unreleased/299977-devops-adoption-fe-allow-users-to-select-multiple-groups.yml

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-title: DevOps Adoption - Allow users to select multiple groups
-merge_request: 56073
-author:
-type: changed

ee/changelogs/unreleased/300060-ca-to-vsa-ee.yml

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-title: Rename "CYCLE_ANALYTICS_*" variables in spec with "VSA_*"
-merge_request: 52609
-author: Takuya Noguchi
-type: other

ee/changelogs/unreleased/300297-experiment-cleanup-experiment-requiring-group-trials-group_only_tr.yml

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-title: Allow only group trials
-merge_request: 54920
-author:
-type: added

ee/changelogs/unreleased/300321_fix_billable_user_count_for_trial_ultimate_license.yml

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-title: Exclude guests for trial ultimate licenses too
-merge_request: 54952
-author:
-type: fixed

ee/changelogs/unreleased/300351-remove-joins-from-the-elasticsearch-query-for-project-group-sco.yml

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-title: Advanced Search Migration to add permission data to notes documents
-merge_request: 56177
-author:
-type: changed

ee/changelogs/unreleased/300455-auditor-role-not-bypassing-sso-enforce-with-ip-restrictions-on.yml

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-title: Exempt auditor from ip restriction
-merge_request: 55073
-author:
-type: changed

ee/changelogs/unreleased/300750-add-missing-reviewers-information-to-approve-unapprove-merge-reque.yml

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-title: Add reviewers detail to approved and unapproved merge request emails
-merge_request: 56290
-author:
-type: added

ee/changelogs/unreleased/300984-jira-entities-base-web-url.yml

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-title: Jira Issues List page shows Web URL links instead of API URL
-merge_request: 54434
-author:
-type: fixed

ee/changelogs/unreleased/301172-restructure-layout-of-approval-rule-form.yml

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-title: Restructure layout of Add/Update approval rule form
-merge_request: 55181
-author:
-type: changed

ee/changelogs/unreleased/301192-add-tasklist-support-in-test-cases.yml

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-title: Add support for task lists within Test Case description
-merge_request: 56196
-author:
-type: added

ee/changelogs/unreleased/320838-vulnerability-status-dropdown-actions-should-not-scroll.yml

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-title: Move action buttons to dropdown footer
-merge_request: 54767
-author:
-type: fixed

ee/changelogs/unreleased/321022-jira-icon-in-project-sidebar-huge-during-page-load.yml

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-title: Fix Jira icon in sidebar too huge during page load
-merge_request: 55598
-author:
-type: fixed

ee/changelogs/unreleased/321051-license-compliance-ui-index-out-of-bounds.yml

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-title: Hide package list if license compliance has an entry with 0 packages
-merge_request: 55466
-author:
-type: fixed

ee/changelogs/unreleased/321087-adapt-devops-adoption-for-groups.yml

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-title: Introduce group-level API for DevOps adoption
-merge_request: 55479
-author:
-type: added

ee/changelogs/unreleased/321097-add-segment-bulk-mutations.yml

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-title: Add new bulk create API endpoint for Devops adoption
-merge_request: 54813
-author:
-type: other

ee/changelogs/unreleased/321101-dont-wipe-payloadAttributeMappings-when-omitted.yml

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-title: Prevents HttpIntegration.payload_attribute_mapping from being reset when it was not a part of a GraphQL mutation input.
-merge_request: 55511
-author:
-type: fixed

ee/changelogs/unreleased/321191-track-group-coverage-views-usage-ping-in-vue-instead.yml

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-title: Track group coverage usage ping event in Vue template
-merge_request: 55687
-author:
-type: changed