change mangakakalot userscript entry to support https

[LoganGirard]

Description

Change user script to support https for mangakakalot

Type of change

Please delete options that are not relevant.

• [X] Support for a new site.
• [X] Bug fix (non-breaking change which fixes an issue)

[DakuTree]

Looks good. In future, make sure to also bump the @updated and @version variables as they are required for users to actually get the update.