Suwannaphum: Version 8.000; ttfautohint (v1.8.3) added (#3495)
* [gftools-packager] Suwannaphum: Version 8.000; ttfautohint (v1.8.3) added
* Suwannaphum Version 8.000; ttfautohint (v1.8.3) taken from the upstream repo https://github.com/danhhong/Suwannaphum.git at commit https://github.com/danhhong/Suwannaphum/commit/
d4076732263cc2b40ccb7d5929bc0c52924a9a6f.
* [gftools-packager] ofl/suwannaphum remove METADATA "source". google/fonts#2587
* Suwannaphum: description updated
* Suwannaphum: latin added to metadata
* Update METADATA.pb
Co-authored-by: Rosalie Wagner <mail@rosaliewagner.com>