Disable Hotbar Scrolling

This is an update of the mod to Minecraft version 1.21.5, but should work on any version from 1.21 to 1.21.6 and should not change the functionality of the mod in any way.

Feel free to open an issue on GitHub if you experience any problems.

Important notice: People who want to use the mod must download the file without -sources in the file name. The one that contains -sources in the file name is to be used by those who wish to view the source code of the mod.