xrpl@4.4.0 released

[xrpl-announce]

New versions of `xrpl`, `ripple-binary-codec` and `secret-numbers` packages are available on npm and Github.

New Additions:
* Support for `PermissionedDEX` (XLS-81d)
* Support for `Token Escrow` (XLS-85)
* Support for `Single Asset Vault` (XLS-65)
* Add warning messages to `MPTokenIssuanceCreate` transaction as per [XLS-89d](https://github.com/XRPLF/XRPL-Standards/pull/293).

Additions to the `ripple-binary-codec` package (v2.5.0):

* Support for `Single Asset Vault` (XLS-65)
* Adds new `STNumber` serialization type.

Breaking Changes to the `secret-numbers` package (v2.0.0):

* Renamed `build/xrplf-secret-numbers-latest.min.js` to `build/xrplf-secret-numbers-latest-min.js`.

Release Notes: https://github.com/XRPLF/xrpl.js/releases/tag/xrpl%404.4.0

Thanks for using the xrpl.js library.