Fix missing faker data when using "biginteger" (#178)

Author: ahawlitschek

src/Generators/FactoryGenerator.php

@@ -196,7 +196,7 @@ public static function fakerDataType(string $type)
             'timestamp' => 'dateTime()',
             'integer' => 'randomNumber()',
             'unsignedsmallinteger' => 'randomDigitNotNull',
-            'bigint' => 'randomNumber()',
+            'biginteger' => 'randomNumber()',
             'smallint' => 'randomNumber()',
             'decimal' => 'randomFloat(/** decimal_attributes **/)',
             'float' => 'randomFloat(/** float_attributes **/)',