Bug 559252 - Update platform.ua to Lucene 8.4.1

Add test 8.4 index which I forgot to commit with the rest of the
changes.

Change-Id: I7277e97d6ca3d3687a040dab00f6ad0053255ccd
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
15 files changed