[moz-nss-nspr] Cron <kuix at s15531995> $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 software version of branch mozilla-esr52 changed from 52.2.1 to 52.3.0
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The Mozilla software version of branch mozilla-release changed from 54.0.2 to 55.0
On branch mozilla-release 55.0 the version of NSPR changed from NSPR_4_14_RTM to NSPR_4_15_RTM
On branch mozilla-release 55.0 the version of NSS changed from NSS_3_30_2_RTM to NSS_3_31_RTM
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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
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If a RELEASE or ESR version changed, please update the archive at https://wiki.mozilla.org/NSS:Versions