harfbuzz 2.5.3 and sync with luaharfbuzz

source/libs/harfbuzz/ChangeLog

source/libs/harfbuzz/Makefile.am

source/libs/harfbuzz/Makefile.in

source/libs/harfbuzz/TLpatches/ChangeLog

source/libs/harfbuzz/TLpatches/TL-Changes

source/libs/harfbuzz/configure

source/libs/harfbuzz/harfbuzz-src/CONFIG.md

source/libs/harfbuzz/harfbuzz-src/ChangeLog

source/libs/harfbuzz/harfbuzz-src/NEWS

source/libs/harfbuzz/harfbuzz-src/configure.ac

source/libs/harfbuzz/harfbuzz-src/src/Makefile.sources

source/libs/harfbuzz/harfbuzz-src/src/gen-ucd-table.py

source/libs/harfbuzz/harfbuzz-src/src/hb-algs.hh

source/libs/harfbuzz/harfbuzz-src/src/hb-bimap.hh

source/libs/harfbuzz/harfbuzz-src/src/hb-blob.cc

source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.cc

source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.hh

source/libs/harfbuzz/harfbuzz-src/src/hb-common.cc

source/libs/harfbuzz/harfbuzz-src/src/hb-config.hh

source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff-common.hh