[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.
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The Mozilla version of branch mozilla-esr60 changed from 60.7.2 to 60.7.3
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The COMM version of branch comm-esr60 changed from 60.7.2 to 60.7.3
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The Mozilla version of branch mozilla-release changed from 67.0.4 to 67.0.5
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If you would like to see a summary of library versions being watched by this robot, visit https://kuix.de/mozilla/versions