[moz-nss-nspr] Cron <kuix at kuix-cloud> $HOME/watch-hg/announce/announce.sh mailing

[Automatic Mozilla, NSS and NSPR version announcements]

News: Mozilla, NSPR and/or NSS library versions changed.
================================================================
Gecko repo--revision on branch comm-esr68 changed from releases/mozilla-esr68--efd27abec3b809b9c0de3ddf5aa65ada5df83d85 (THUNDERBIRD_68_VERBRANCH) to releases/mozilla-esr68--640c94d00c3525b573f4d6709c422928b38cf50c (THUNDERBIRD_68_VERBRANCH)
================================================================
If you would like to see a summary of library versions being watched by this robot, visit https://kuix.de/mozilla/versions