style: Make clippy happy

Author: epage

src/pagination/paginator.rs

@@ -45,7 +45,7 @@ impl Paginator {
         total_pages: usize,
         index_title: Option<&liquid::model::Value>,
     ) -> Result<()> {
-        self.first_index_permalink = doc.url_path.to_string();
+        self.first_index_permalink = doc.url_path.clone();
         self.last_index_permalink = interpret_permalink(config, doc, total_pages, index_title)?;
         Ok(())
     }