Fixes database offset value with non numbers (#37164)

Author: nunomaduro

src/Illuminate/Database/Query/Builder.php

@@ -1932,7 +1932,7 @@ public function offset($value)
     {
         $property = $this->unions ? 'unionOffset' : 'offset';
 
-        $this->$property = max(0, $value);
+        $this->$property = max(0, (int) $value);
 
         return $this;
     }