grim/pidgin

Bump the version and update ChangeLog for the 2.14.7 release
release-2.x.y v2.14.7
2021-09-16, Gary Kramlich
f7894672b4e3
Bump the version and update ChangeLog for the 2.14.7 release

Testing Done:
Ran `make distcheck`

Reviewed at https://reviews.imfreedom.org/r/925/
soundsdir = $(datadir)/sounds/purple
sounds_DATA = \
alert.wav \
login.wav \
logout.wav \
receive.wav \
send.wav
EXTRA_DIST = \
Makefile.mingw \
$(sounds_DATA)