Bump phpstan/phpstan-symfony from 1.2.20 to 1.2.21

Bumps [phpstan/phpstan-symfony](https://github.com/phpstan/phpstan-symfony) from 1.2.20 to 1.2.21.
- [Release notes](https://github.com/phpstan/phpstan-symfony/releases)
- [Commits](https://github.com/phpstan/phpstan-symfony/compare/1.2.20...1.2.21)

---
updated-dependencies:
- dependency-name: phpstan/phpstan-symfony
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.lock

@@ -12888,16 +12888,16 @@
         },
         {
             "name": "phpstan/phpstan-symfony",
-            "version": "1.2.20",
+            "version": "1.2.21",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan-symfony.git",
-                "reference": "d89a521e7e31822409bf37f70691f7a12a6e7d76"
+                "reference": "44aef787a1062d2eec7932e958f0fbe6b2a22a67"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan-symfony/zipball/d89a521e7e31822409bf37f70691f7a12a6e7d76",
-                "reference": "d89a521e7e31822409bf37f70691f7a12a6e7d76",
+                "url": "https://api.github.com/repos/phpstan/phpstan-symfony/zipball/44aef787a1062d2eec7932e958f0fbe6b2a22a67",
+                "reference": "44aef787a1062d2eec7932e958f0fbe6b2a22a67",
                 "shasum": ""
             },
             "require": {
@@ -12953,9 +12953,9 @@
             "description": "Symfony Framework extensions and rules for PHPStan",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan-symfony/issues",
-                "source": "https://github.com/phpstan/phpstan-symfony/tree/1.2.20"
+                "source": "https://github.com/phpstan/phpstan-symfony/tree/1.2.21"
             },
-            "time": "2023-01-15T12:28:31+00:00"
+            "time": "2023-01-31T15:20:29+00:00"
         },
         {
             "name": "symfony/maker-bundle",