Bug: `cc_years()` errors

[andrewallenbruce]

library(provider)

cc_years()
#> Error in `tidyr::separate_wider_delim()` at provider/R/cms.R:37:3:
#> ! Names can't be empty.
#> ✖ Empty name found at location 1.

^{Created on 2024-05-13 with reprex v2.1.0}