Fix build

Author: ondrejmirtes

phpstan-baseline.neon

@@ -25,6 +25,11 @@ parameters:
 			count: 1
 			path: src/Stubs/Doctrine/StubFilesExtensionLoader.php
 
+		-
+			message: "#^Doing instanceof PHPStan\\\\Type\\\\UnionType is error\\-prone and deprecated\\.$#"
+			count: 2
+			path: src/Type/Doctrine/DoctrineTypeUtils.php
+
 		-
 			message: "#^Accessing PHPStan\\\\Rules\\\\DeadCode\\\\UnusedPrivatePropertyRule\\:\\:class is not covered by backward compatibility promise\\. The class might change in a minor PHPStan version\\.$#"
 			count: 1