pidgin/nest

Update for the 2.14.3 release

2021-04-09, Sorvival
d386f4debb86
Update for the 2.14.3 release

- Modify config.toml to use the new version
- Add notes for 2.14.3 to ChangeLog
- Add blog post for Pidgin 2.14.3

Testing Done:
ran `dev-server.sh` and verified contents were the expected

Reviewed at https://reviews.imfreedom.org/r/600/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/nest"
REPOSITORY_TYPE = "mercurial"
BRANCH = "default"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False