> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software…

– https://github.com/go-gitea/gitea/blob/main/LICENSE

If you don't want your software used like that, don't choose this licence.

You can't post-hoc decide how people behave.

open source is all fun and games until they fork you