Change old IETF reference link
Old link will throw 404, so it could be replaced with new working one
@@ -28,7 +28,7 @@ import java.lang.annotation.Target;
*
* <p>Requests made with this annotation will have {@code application/x-www-form-urlencoded} MIME
* type. Field names and values will be UTF-8 encoded before being URI-encoded in accordance to <a
- * href="http://tools.ietf.org/html/rfc3986">RFC-3986</a>.
+ * href="https://datatracker.ietf.org/doc/html/rfc3986">RFC-3986</a>.
*/
@Documented
@Target(METHOD)
