fix: phpstan error for string('column', 'MAX')

Author: taka-oyama

phpstan.neon

@@ -45,3 +45,6 @@ parameters:
         - message: "#^Cannot access offset 'requestTag' on mixed\\.$#"
           count: 1
           path: src/Connection.php
+        - message: "#^Parameter \\#2 \\$length of method Illuminate\\\\Database\\\\Schema\\\\Blueprint\\:\\:string\\(\\) expects int\\|null, int\\|string\\|null given\\.$#"
+          count: 1
+          path: src/Schema/Blueprint.php

src/Schema/Blueprint.php

@@ -111,6 +111,15 @@ public function tinyIncrements($column)
         return $this->increments($column);
     }
 
+    /**
+     * @inheritDoc
+     * @param int|'max'|null $length add support for 'max'
+     */
+    public function string($column, $length = null)
+    {
+        return parent::string($column, $length);
+    }
+
     /**
      * @inheritDoc
      * @return UuidColumnDefinition