Enable nightly builds for python packages

[diogomatsubara]

Describe the feature

There's a https://pypi.org/project/eclipse-zenoh-nightly/ where we used to publish nightly python packages but that's not updated anymore. We should get that fixed and integrated into the new CI system or completely remove it.

Here are some details from @OlivierHecart:

The main reasons for it not to be maintained properly are:
1. There is a limit on the number of wheels we can upload there. We had to remove the old ones manually which was a pain.
2. The 'CI' that made this was quite exotic and involved Julien Enoch own github repos.
Julien has the details about this if you need.
So indeed having a nightly that is out of date is pretty bad. So we need to either:
1. Make sure that this is maintained more or less up to date
2. Simply remove it