feat(ci-bot): order repositories by patch count

Iterating over a python dictionary can produce an arbitrary ordering. So
sort the result by patch count.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: I3497eedc89d8f65eeb819d8121a2ea7c3dfb5b49
1 file changed