devel/robin-map: update to 1.3.0

Changelogs:
https://github.com/Tessil/robin-map/releases/tag/v1.0.0
https://github.com/Tessil/robin-map/releases/tag/v1.0.1
https://github.com/Tessil/robin-map/releases/tag/v1.2.0
https://github.com/Tessil/robin-map/releases/tag/v1.2.1
https://github.com/Tessil/robin-map/releases/tag/v1.2.2
https://github.com/Tessil/robin-map/releases/tag/v1.3.0

PR: 275817
Tested by: fluffy
Approved by: Shane <FreeBSD@ShaneWare.Biz> (maintaner)