harfbuzz: Update to version 7.2.0

harfbuzz: Update to version 7.2.0

- Update from version 7.0.1 to 7.2.0
- Update of rootfile
- Changelog
    Overview of changes leading to 7.2.0
	- Add Tifinagh to the list of scripts that can natively be either right-to-left
	  or left-to-right, to improve handling of its glyph positioning.
	  (Simon Cozens)
	- Return also single substitution from hb_ot_layout_lookup_get_glyph_alternates()
	  (Behdad Esfahbod)
	- Fix 4.2.0 regression in applying across syllables in syllabic scripts.
	  (Behdad Esfahbod)
	- Add flag to avoid glyph substitution closure during subsetting, and the
	  corresponding “--no-layout-closure” option to “hb-subset” command line tool.
	  (Garret Rieger)
	- Support instancing COLRv1 table. (Qunxin Liu)
	- Don’t drop used user-defined name table entries during subsetting.
	  (Qunxin Liu)
	- Optimize handling of “gvar” table. (Behdad Esfahbod)
	- Various subsetter bug fixes and improvements. (Garret Rieger, Qunxin Liu)
	- Various documentation improvements. (Behdad Esfahbod, Josef Friedrich)
	- New API:
	    +HB_SUBSET_FLAGS_NO_LAYOUT_CLOSURE
	    +HB_UNICODE_COMBINING_CLASS_CCC132
	- Deprecated API:
	    +HB_UNICODE_COMBINING_CLASS_CCC133
    Overview of changes leading to 7.1.0
	- New experimental hb_shape_justify() API that uses font variations to expand
	  or shrink the text to a given advance. (Behdad Esfahbod)
	- Various build and bug fixes. (Behdad Esfahbod, Garret Rieger, Qunxin Liu)
	- New API:
	    +hb_font_set_variation()

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>