Update HarfBuzz, ICU and FreeType

HarfBuzz: Update to version 7.3.0
ICU4C: Update to version 73.1
FreeType: Update to version 2.13.0

thirdparty/harfbuzz/src/hb-subset.h

@@ -71,6 +71,8 @@ typedef struct hb_subset_plan_t hb_subset_plan_t;
  * in the final subset.
  * @HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES: If set then the unicode ranges in
  * OS/2 will not be recalculated.
+ * @HB_SUBSET_FLAGS_NO_LAYOUT_CLOSURE: If set don't perform glyph closure on layout
+ * substitution rules (GSUB). Since: 7.2.0.
  *
  * List of boolean properties that can be configured on the subset input.
  *
@@ -87,6 +89,7 @@ typedef enum { /*< flags >*/
   HB_SUBSET_FLAGS_NOTDEF_OUTLINE =	     0x00000040u,
   HB_SUBSET_FLAGS_GLYPH_NAMES =		     0x00000080u,
   HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES =  0x00000100u,
+  HB_SUBSET_FLAGS_NO_LAYOUT_CLOSURE =        0x00000200u,
 } hb_subset_flags_t;
 
 /**
@@ -151,6 +154,9 @@ hb_subset_input_glyph_set (hb_subset_input_t *input);
 HB_EXTERN hb_set_t *
 hb_subset_input_set (hb_subset_input_t *input, hb_subset_sets_t set_type);
 
+HB_EXTERN hb_map_t*
+hb_subset_input_old_to_new_glyph_mapping (hb_subset_input_t *input);
+
 HB_EXTERN hb_subset_flags_t
 hb_subset_input_get_flags (hb_subset_input_t *input);