SC-4137 Add symfony/mime to composer dependencies

Author: AsonUnique

composer.json

@@ -13,6 +13,7 @@
     "symfony/form": "^3.0.0 || ^4.0.0",
     "symfony/http-kernel": "^3.0.0 || ^4.0.0",
     "symfony/intl": "^3.0.0 || ^4.0.0",
+    "symfony/mime": "^4.0.0 || ^5.0.0",
     "symfony/options-resolver": "^3.0.0 || ^4.0.0",
     "symfony/process": "^3.0.0 || ^4.0.0",
     "symfony/property-access": "^3.0.0 || ^4.0.0",