Update bundled sources to 8.1.1 from 2.7.4 (#237)

waywardmonkeys · web-flow · commit 1b25f08d7d12 · 2023-08-28T08:32:14.000Z
This doesn't bind any of the new API, just moves to the current
implementation, so it will get performance improvements and bug
fixes.
diff --git a/harfbuzz-sys/harfbuzz b/harfbuzz-sys/harfbuzz
@@ -1 +1 @@
-Subproject commit 7236c7e29cef1c2d76c7a284c5081ff4d3aa1127
+Subproject commit 1d665c2b521512cdd56964138fc601debd1f1177
