fix: retry on empty continuation responses

src/error.rs

@@ -87,6 +87,8 @@ pub enum ExtractionError {
     WrongResult(String),
     #[error("Warnings during deserialization/mapping")]
     DeserializationWarnings,
+    #[error("Got no data from YouTube, attempt retry")]
+    Retry,
 }
 
 /// Internal error