Used composer command:
  composer update "symfony/*" --with-all-dependencies

Output
  - Removing symfony/debug (v4.4.4)
  - Updating typo3/cms-composer-installers (v2.2.3 => v2.2.4)
  - Updating symfony/polyfill-ctype (v1.14.0 => v1.15.0)
  - Updating symfony/filesystem (v5.0.4 => v5.0.6)
  - Updating symfony/config (v4.4.0 => v5.0.6)
  - Updating symfony/service-contracts (v1.1.8 => v2.0.1)
  - Updating symfony/polyfill-php73 (v1.14.0 => v1.15.0)
  - Updating symfony/polyfill-mbstring (v1.12.0 => v1.15.0)
  - Updating symfony/console (v4.4.0 => v5.0.6)
  - Updating symfony/dependency-injection (v4.4.0 => v5.0.6)
  - Updating symfony/var-exporter (v4.4.0 => v5.0.6)
  - Updating symfony/cache-contracts (v1.1.7 => v2.0.1)
  - Updating psr/log (1.1.2 => 1.1.3)
  - Updating symfony/cache (v4.4.0 => v5.0.6)
  - Updating symfony/expression-language (v4.4.0 => v5.0.6)
  - Updating symfony/finder (v4.4.0 => v5.0.6)
  - Updating symfony/polyfill-php72 (v1.13.1 => v1.15.0)
  - Updating symfony/polyfill-intl-idn (v1.12.0 => v1.15.0)
  - Updating symfony/mime (v4.4.0 => v5.0.6)
  - Updating symfony/event-dispatcher-contracts (v1.1.7 => v2.0.1)
  - Updating symfony/event-dispatcher (v4.4.5 => v5.0.6)
  - Updating egulias/email-validator (2.1.16 => 2.1.17)
  - Updating symfony/mailer (v4.4.0 => v5.0.6)
  - Updating symfony/inflector (v4.4.0 => v5.0.6)
  - Updating symfony/property-access (v4.4.0 => v5.0.6)
  - Updating symfony/property-info (v4.4.0 => v5.0.6)
  - Updating symfony/routing (v4.4.0 => v5.0.6)
  - Updating symfony/yaml (v4.4.0 => v5.0.6)
  - Updating symfony/css-selector (v5.0.5 => v5.0.6)
  - Updating symfony/process (v5.0.5 => v5.0.6)
  - Updating symfony/options-resolver (v4.3.1 => v5.0.6)
  - Updating symfony/stopwatch (v4.3.1 => v5.0.6)
  - Updating symfony/http-foundation (v5.0.1 => v5.0.6)
  - Updating symfony/var-dumper (v4.4.4 => v5.0.6)
  - Updating symfony/error-handler (v4.4.4 => v5.0.6)
  - Updating symfony/http-kernel (v4.4.4 => v5.0.6)
  - Updating symfony/intl (v4.3.1 => v5.0.6)
  - Updating symfony/polyfill-intl-icu (v1.11.0 => v1.15.0)

Resolves: #90885
Releases: master, 9.5, 8.7
Change-Id: I736be0294aeafef86cfcb0ce7ca4545c3ee2c7ad
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64004


Reviewed-by: Manuel Selbach <manuel_selbach@yahoo.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>