Log Message:
pango: update to 1.44.6

Bug fix release. Among other things, it restores pango_fc_font_map_shutdown()
to the public API, the absence of which was causing Firefox debug builds to
break. While here, update the test target to reflect the new Meson build tools.

Change log:

Overview of changes in 1.44.6
=============================
- docs: Fix symbol indices
- Fix Thai line breaking
- Re-add symbols needed by some bindings
- Don't insert hyphens for some languages
- Fix a crash with hyphenation