[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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Gecko repo--revision on branch comm-esr60 changed from releases/mozilla-esr60--6a830d12f15493a70b1192022c9985eba2139910 (THUNDERBIRD_60_VERBRANCH) to releases/mozilla-esr60--87f3db8be2059c8ba8543a0443802392bc6390d4 (THUNDERBIRD_60_VERBRANCH)
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