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/
How to build Pidgin for Windows using MinGW
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For the latest build instructions, please refer to:
http://developer.pidgin.im/wiki/BuildingWinPidgin