api/projects: use Into for `import_url`

CHANGELOG.md

@@ -27,6 +27,8 @@ been added.
   * The `api::projects::repository::CreateFile` endpoint now properly upgrades
     the encoding when attempting to encode binary contents using
     `Encoding::Text`.
+  * The `api::projects::CreateProject` and `api::projects::EditProject`
+    endpoints now accepts plain strings in its `import_url` field.
 
 ## Changes
 

src/api/projects/create.rs

@@ -458,7 +458,7 @@ pub struct CreateProject<'a> {
     #[builder(default)]
     visibility: Option<VisibilityLevel>,
     /// A URL to import the repository from.
-    #[builder(default)]
+    #[builder(setter(into), default)]
     import_url: Option<Cow<'a, str>>,
     /// Whether job results are visible to non-project members or not.
     #[builder(default)]

src/api/projects/edit.rs

@@ -82,7 +82,7 @@ pub struct EditProject<'a> {
     #[builder(default)]
     visibility: Option<VisibilityLevel>,
     /// A URL to import the repository from.
-    #[builder(default)]
+    #[builder(setter(into), default)]
     import_url: Option<Cow<'a, str>>,
     /// Whether job results are visible to non-project members or not.
     #[builder(default)]