Plus-Jakarta-Sans: Add version 2.6

[jonz94]

+Jakarta Sans is a open-source fonts. Designed for Jakarta "City of collaboration" program in 2020.

Closes #197

[github-actions[bot]]

All changes look good.

Wait for review from human collaborators.

Plus-Jakarta-Sans

• [x] Description
• [x] License
• [x] Hashes
• [x] Checkver
• [x] Autoupdate