Otherwise, we cannot run the test suite on the 3.10.1 tentative ISO.

This can be useful for the "Carefully read the build logs to make sure nothing
bad happened" step, e.g. for comparing the new build log with the one from the
previous release.

… and not "point-release" nor "minor release".

No commit message

This reverts commit a262fad0.

Show to potential sponsors that we are seriously working on diversifying
our sources of income while keeping it simple.

Apparently we don't manage to keep it up-to-date so better remove it.