Import updated Unicode files from Unicode 16.0

Import updated Unicode files from Unicode 16.0

* admin/unidata/BidiBrackets.txt:
* admin/unidata/BidiMirroring.txt:
* admin/unidata/Blocks.txt:
* admin/unidata/IdnaMappingTable.txt:
* admin/unidata/NormalizationTest.txt:
* admin/unidata/PropertyValueAliases.txt:
* admin/unidata/ScriptExtensions.txt:
* admin/unidata/Scripts.txt:
* admin/unidata/SpecialCasing.txt:
* admin/unidata/UnicodeData.txt:
* admin/unidata/copyright.html:
* admin/unidata/emoji-data.txt:
* admin/unidata/emoji-sequences.txt:
* admin/unidata/emoji-test.txt:
* admin/unidata/emoji-variation-sequences.txt:
* admin/unidata/emoji-zwj-sequences.txt: Update from Unicode 16.0

(cherry picked from commit 5e16d846896c0f3f8115581a2e392ebef3f3e58b)