fetch: Log at 'debug' rather than 'info' level
fetch: Log at 'debug' rather than 'info' level

This matches the logging policy in the other planex modules.

Signed-off-by: Euan Harris <c3b6e83069c8e9e3af49a38fec6026be89559638@citrix.com>

djs55/planex,djs55/planex,djs55/planex