Forgets the session cache of unit data used by get_unit() and
get_geography(), so the next call fetches fresh data from the API.
Examples
# \donttest{
refresh_units()
get_unit() # refetches from the API
#> # A tibble: 1,830 × 5
#> unit_code unit_type unit_name state_code region_code
#> <chr> <chr> <chr> <chr> <chr>
#> 1 FF01D00000 ADMINISTRATION OFFICE Regional … OR R0001
#> 2 FF01D01000 ADMINISTRATION OFFICE Admin Sup… OR R0001
#> 3 FF01D02000 ADMINISTRATION OFFICE Common Pr… OR R0001
#> 4 FF01E00000 ADMINISTRATION OFFICE Assistant… OR R0001
#> 5 FF01EIFW00 ECOLOGICAL SERVICES FIELD OFFICE Idaho Fis… OR R0001
#> 6 FF01EOFW00 ECOLOGICAL SERVICES FIELD OFFICE Oregon Fi… OR R0001
#> 7 FF01EPIF00 ECOLOGICAL SERVICES FIELD OFFICE Pacific I… OR R0001
#> 8 FF01EWFW00 ECOLOGICAL SERVICES FIELD OFFICE Washingto… OR R0001
#> 9 FF01F00000 ADMINISTRATION OFFICE Assistant… OR R0001
#> 10 FF01F01000 ADMINISTRATION OFFICE Cooperati… OR R0001
#> # ℹ 1,820 more rows
# }