pidgin/pidgin

Update the ChangeLog and configure.ac for release
release-2.x.y v2.14.2
2021-04-01, Gary Kramlich
2eb25613d054
Update the ChangeLog and configure.ac for release

Testing Done:
Ran `make dist-check` locally.

Reviewed at https://reviews.imfreedom.org/r/590/
For information on writing a plugin for Purple, Pidgin or Finch, go
http://developer.pidgin.im and click on API. From there, see the
HOWTOs in the "Related Pages" section.
You can also generate this documentation locally by installing
doxygen and graphviz dot, then running "make docs" in the
source tree. The documentation will be in the docs/html directory.