Merge pull request #924 from Aerendir/dependabot/composer/dev/phpstan/phpstan-symfony-1.3.9

[PHP]: Update phpstan/phpstan-symfony requirement from 1.3.8 to 1.3.9

Author: kodiakhq[bot]

composer.json

@@ -35,7 +35,7 @@
         "phpstan/phpstan": "1.10.63",
         "phpstan/phpstan-doctrine": "1.3.62",
         "phpstan/phpstan-phpunit": "1.3.16",
-        "phpstan/phpstan-symfony": "1.3.8",
+        "phpstan/phpstan-symfony": "1.3.9",
         "rector/rector": "1.0.3",
         "roave/security-advisories": "dev-master",
         "serendipity_hq/rector-config": "^1.0",