Fix deprecations triggered by Symfony 5.3#490

ste93cry merged 1 commit intogetsentry:3.5.xgetsentry/sentry-symfony:3.5.xfrom

derrabus:bugfix/symfony-5.3-on-3.5.xderrabus/sentry-symfony:bugfix/symfony-5.3-on-3.5.xCopy head branch name to clipboard