Draft: Icu testing [3/3]

part of !14092 (closed)

rebuild of 12 packages

brltty-6.1-r1
kiwix-lib-9.4.1-r0
kopano-core-10.1.1-r2
ledger-3.2.1-r1
libvmime-0.9.2k4-r0
libzim-6.3.0-r0
maim-5.7.4-r0
mapnik-3.1.0-r4
openttd-1.11.2-r0
slop-7.5-r0
tesseract-git-training-20200221-r2
thunderbird-78.9.0-r2