Description: harfbuzz update to 2.8.1

IssueNo:https://gitee.com/openharmony/third_party_harfbuzz/issues/I4X5GU
Feature or Bugfix: Feature
Binary Source:harfbuzz resources
Signed-off-by: Nlancer <haoshuo@huawei.com>

tools/qt/simulator/third_party/harfbuzz/harfbuzz.pro

@@ -48,6 +48,7 @@ SOURCES += \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-indic.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-khmer.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-myanmar.cc \
+    ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-syllabic.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-thai.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-use.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-vowel-constraints.cc \