[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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On branch mozilla-esr60 60.7.3 the version of NSS changed from NSS_3_36_7_RTM to NSS_3_36_8_RTM
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