Unfortunately, the annotation entry points are not saved like all the other inspections settings, so exporting them (or saving as project defaults) simply can't be done the normal way. There has been a request to fix this, but it has remained unfixed for many years:
https://youtrack.jetbrains.com/issue/IDEA-84055
Generally speaking, the misc.xml file where these are persisted should not be stored in revision control. In my own project, we have a special project setup that makes targetted edits in files in the .idea directory to compensate for the fact that IDEA saves random things in bad places.