Upgrade recipes: phpstan/phpstan

phpstan.neon

@@ -0,0 +1,8 @@
+parameters:
+    level: 6
+    paths:
+        - bin/
+        - config/
+        - public/
+        - src/
+        - tests/

symfony.lock

@@ -303,7 +303,16 @@
         "version": "1.11.1"
     },
     "phpstan/phpstan": {
-        "version": "1.1.2"
+        "version": "1.10",
+        "recipe": {
+            "repo": "github.com/symfony/recipes-contrib",
+            "branch": "main",
+            "version": "1.0",
+            "ref": "d74d4d719d5f53856c9c13544aa22d44144b1819"
+        },
+        "files": [
+            "phpstan.neon"
+        ]
     },
     "phpunit/php-code-coverage": {
         "version": "6.1.4"