pidgin/pidgin

Add a donate link that opens https://imfreedom.org/donate/
release-2.x.y
2021-06-14, Gary Kramlich
13a246aa0656
Add a donate link that opens https://imfreedom.org/donate/

Testing Done:
Ran locally

Reviewed at https://reviews.imfreedom.org/r/749/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/pidgin"
REPOSITORY_TYPE = "mercurial"
BRANCH = "release-2.x.y"
LAND_DEST_BRANCH = "release-2.x.y"
LAND_PUSH = False