chore: point repository at git.swaits.com

Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 authors = ["Stephen Waits <steve@waits.net>"]
 description = "A Rust library for computing work days and handling work calendars, inspired by the WORKDAY function in Excel."
 license = "MIT"
-repository = "https://github.com/swaits/workdays"
+repository = "https://git.swaits.com/swaits/workdays"
 documentation = "https://docs.rs/workdays"
 readme = "README.md"
 keywords = ["calendar", "workday", "date", "business", "excel"]