Add support for "git+ssh" and "ssh+git" urls

Doubles the amount of baseline tests that pass :)

Author: niklaswimmer

gix-url/src/scheme.rs

@@ -24,7 +24,8 @@ pub enum Scheme {
 impl<'a> From<&'a str> for Scheme {
     fn from(value: &'a str) -> Self {
         match value {
-            "ssh" => Scheme::Ssh,
+            // "ssh+git" and "git+ssh" are legacy, but Git still allows them and so should we
+            "ssh" | "ssh+git" | "git+ssh" => Scheme::Ssh,
             "file" => Scheme::File,
             "git" => Scheme::Git,
             "http" => Scheme::Http,