pidgin/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/
FROM pidgin/release-builder:release-2.x.y AS build
COPY . /pidgin
RUN set -ex && \
cd /pidgin && \
./autogen.sh --enable-debug && \
make -s -j$(nproc) docs
FROM rwgrim/goserve
EXPOSE 3000
COPY --from=build /pidgin/doc/html html