CompatHelper: bump compat for Oscar to 0.8, (keep existing compat) - [closed]

[lgoettgens]

Merges compathelper/new_version/2022-02-07-17-57-30-538-03545662651 -> master

This pull request changes the compat entry for the Oscar package from ~0.7.0 to ~0.7.0, 0.8.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.