Processed: fix pu tags

["Debian Bug Tracking System" <owner@bugs.debian.org>]

Processing commands for control@bugs.debian.org:

> tags 962155 - buster
Bug #962155 [release.debian.org] stretch-pu: package ca-certificates/20200601~deb9u1
Removed tag(s) buster.
> tags 962155 + stretch
Bug #962155 [release.debian.org] stretch-pu: package ca-certificates/20200601~deb9u1
Added tag(s) stretch.
> thanks
Stopping processing here.

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-- 
962155: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962155
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