Issue #3285061 by mondrake, mallezie, alexpott: Prevent installation of phpstan/phpstan >=1.7

composer.json

@@ -26,7 +26,7 @@
         "phpunit/phpunit": "^9.5",
         "phpspec/prophecy-phpunit": "^2",
         "phpstan/extension-installer": "^1.1",
-        "phpstan/phpstan": "^1.4.0",
+        "phpstan/phpstan": "^1.4.0 <1.7",
         "symfony/css-selector": "^6.1",
         "symfony/phpunit-bridge": "^6.1",
         "symfony/var-dumper": "^6.1",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "51798fd5747a866cd96514b422a9f3a1",
+    "content-hash": "f5e667e8be791206678780f2c5f84c61",
     "packages": [
         {
             "name": "asm89/stack-cors",

composer/Metapackage/DevDependencies/composer.json

@@ -19,7 +19,7 @@
         "mikey179/vfsstream": "^1.6.8",
         "phpspec/prophecy-phpunit": "^2",
         "phpstan/extension-installer": "^1.1",
-        "phpstan/phpstan": "^1.4.0",
+        "phpstan/phpstan": "^1.4.0 <1.7",
         "phpunit/phpunit": "^9.5",
         "symfony/browser-kit": "^6.1",
         "symfony/css-selector": "^6.1",