[TASK] Update TYPO3 to 10.4.20

  - Upgrading t3o/ter-frontend (dev-develop => dev-task/typo3-10-4-20)
  - Upgrading t3o/ter-layout (dev-develop => dev-task/typo3-10-4-20)
  - Upgrading t3o/ter-rest (dev-develop => dev-task/typo3-10-4-20)
  - Upgrading t3o/ter-soap (dev-develop => dev-task/typo3-10-4-20)
  - Upgrading typo3/cms-adminpanel (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-backend (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-belog (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-beuser (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-core (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-extbase (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-extensionmanager (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-felogin (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-filelist (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-filemetadata (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-fluid (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-fluid-styled-content (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-form (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-frontend (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-info (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-install (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-lowlevel (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-opendocs (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-recordlist (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-recycler (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-reports (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-rte-ckeditor (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-scheduler (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-seo (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-setup (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-tstemplate (v10.4.19 => v10.4.20)
  - Upgrading typo3/cms-viewpage (v10.4.19 => v10.4.20)
  - Upgrading typo3/html-sanitizer (v2.0.7 => v2.0.10)
8 jobs for task/typo3-10-4-20 in 5 minutes and 36 seconds (queued for 7 seconds)