pidgin/pidgin

Update the convey configuration for fedora 40 and ubuntu noble

Testing Done:
Ran both plans locally.

Reviewed at https://reviews.imfreedom.org/r/3151/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/pidgin"
REPOSITORY_TYPE = "mercurial"
BRANCH = "default"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False