Bump max tag count to 8.
Bump max tag count to 8.

copyliu/osmium,osmium-org/osmium,wffurr/osmium,osmium-org/osmium,wffurr/osmium,wffurr/osmium,copyliu/osmium,osmium-org/osmium,wffurr/osmium,osmium-org/osmium,copyliu/osmium