bug#42385: guile-based jupyter kernels mix guile3 and guile2.2

[Ludovic Courtès]

This is now fixed by commits c984b70ccb0037406f36d2718c4bbb9a5539e7a3
and 3a27a3dc8fbaf78a639d3e44267cd21c9adb9a7f; closing.

Thanks again, Jesse!

Ludo’.