Add missing exception imports to Base64UrlSafe.php

Imported InvalidArgumentException and RangeException to ensure proper handling of related exceptions. This update prevents potential undefined class errors and aligns with best practices.

Author: Spomky

src/Library/Core/Util/Base64UrlSafe.php

@@ -4,6 +4,8 @@
 
 namespace Jose\Component\Core\Util;
 
+use InvalidArgumentException;
+use RangeException;
 use function strlen;
 
 /**