feat(users): Add transfer org ownership API (#3603)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>

crates/api_models/src/user_role.rs

@@ -108,3 +108,8 @@ pub type AcceptInvitationResponse = DashboardEntryResponse;
 pub struct DeleteUserRoleRequest {
     pub email: pii::Email,
 }
+
+#[derive(Debug, serde::Deserialize, serde::Serialize)]
+pub struct TransferOrgOwnershipRequest {
+    pub email: pii::Email,
+}