Fix clippy lints.

src/gitea_client/error.rs

@@ -2,7 +2,9 @@ use std::error::Error;
 
 #[derive(Debug, Clone)]
 pub(crate) enum GiteaClientError {
+    #[allow(dead_code)]
     Static(#[allow(dead_code)] &'static str),
+    #[allow(dead_code)]
     String(#[allow(dead_code)] String),
     NoTotalCountHeaderInResponse,
 }