[docker] Update weboob repository URL
This avoids a redirection warning:
[ENTRYPOINT] Installing weboob...
Cloning into '.'...
warning: redirecting to https://git.weboob.org/weboob/weboob.git/
Edited by Nicolas Frandeboeuf
This avoids a redirection warning:
[ENTRYPOINT] Installing weboob...
Cloning into '.'...
warning: redirecting to https://git.weboob.org/weboob/weboob.git/