Restore baseline for 7.2 build

Author: Seldaek

phpstan-baseline.neon

@@ -0,0 +1,11 @@
+parameters:
+    ignoreErrors:
+        -
+            message: "#^Function preg_replace_callback invoked with 6 parameters, 3\\-5 required\\.$#"
+            count: 1
+            path: src/Preg.php
+
+        -
+            message: "#^Function preg_replace_callback_array invoked with 5 parameters, 2\\-4 required\\.$#"
+            count: 1
+            path: src/Preg.php

phpstan.neon.dist

@@ -4,10 +4,12 @@ parameters:
         - src
         - tests
 
+    reportUnmatchedIgnoredErrors: false
     treatPhpDocTypesAsCertain: false
 
     bootstrapFiles:
         - tests/phpstan-locate-phpunit-autoloader.php
 
 includes:
     - vendor/phpstan/phpstan-strict-rules/rules.neon
+    - phpstan-baseline.neon