* Add language support metadata to the OFL families.
* Add language support metadata to all apache/ufl fonts.
* Add language support metadata / sample text to remaining OFL families.
* [gftools-packager] IBM Plex Sans Arabic: Version 1.1 added
* IBM Plex Sans Arabic Version 1.1 taken from the upstream repo https://github.com/googlefonts/plex at commit 2ea7fd4ff0.
* [gftools-packager] ofl/ibmplexsansarabic remove METADATA "source". google/fonts#2587