Convert a human-readable SIU report date to ISO format
Source:R/parse_siu.R
bricklayer_siu_iso_date.Rd"January 5, 2023" (or "January 5 2023") becomes
"2023-01-05"; unparseable input becomes "".
Examples
bricklayer_siu_iso_date(c("January 5, 2023", "not a date"))
#> [1] "2023-01-05" ""