Xitrum 3.28.10

[Ngoc Dao]

Xitrum 3.28.9 has been released:

https://github.com/xitrum-framework/xitrum/blob/master/CHANGELOG.rst

There's no Xitrum API change.

To update your project from Xitrum 3.28.9 to 3.28.10, simply update its version number.

Example:

https://github.com/xitrum-framework/xitrum-new/commit/2a6d2e78fe34d896a2da3273301078ec5802f752