Gftools

Changes since previous release:

* New Ninja-based GF Builder - install as `gftools[ninja]` to enable (569)
* Make the qa tool more robust (709)
* New script: gftools-autohint.py (582)
* Stop the packager deleting sample text (698) and minisite_url (699)
* Stop the packager duplicating empty sample text (713)
* Stop the packager reporting Z... as a primary script (714)
* Add builder support for .glyphspackage files (704)
* Improve error message if download fails (711)
* Use the latest fonts_public.proto (715, 716)
* Improvements to README files (644, 697)
* Deprecated scripts: `ufo-merge` (702), `fix-glyphs` (710)

Changes since previous release:

- fix_instances: script added 690
- Add set-primary-script script 620
- gen_push_lists: do not run if local branch does not match remote main 692
- Add support for specifying custom GlyphData XML files 694
- Update gftools/docs/gftools-builder/README.md with stat flag info 691

Changes since previous release:

- push: fix PushItems.missing_paths 686
- packager: add github url to new description files 687
- utils: remove_url_prefix added 688

Changes since previous release:

- Update push module 680
- Fix to_json and add tests 682
- Pin hyperglot 685

Changes since previous release:

- push-stats: cache issues

Changes since previous release:

- Don't advertise Latin support for Noto fonts 672
- qa: Use diffenator2 v0.2.0 674
- pyproject.toml: bump minimum diffenator2 version 677