Add missing action

src/github.rs

@@ -652,7 +652,7 @@ pub struct IssueCommentEvent {
 }
 
 #[derive(PartialEq, Eq, Debug, serde::Deserialize)]
-#[serde(rename_all = "lowercase")]
+#[serde(rename_all = "snake_case")]
 pub enum IssuesAction {
     Opened,
     Edited,
@@ -674,6 +674,7 @@ pub enum IssuesAction {
     ReviewRequestRemoved,
     ReadyForReview,
     Synchronize,
+    ConvertedToDraft,
 }
 
 #[derive(Debug, serde::Deserialize)]

src/handlers.rs

@@ -66,7 +66,7 @@ pub async fn handle(ctx: &Context, event: &Event) -> Vec<HandlerError> {
 
     if let Err(e) = milestone_prs::handle(ctx, event).await {
         log::error!(
-            "failed to process event {:?} with rustc_commits handler: {:?}",
+            "failed to process event {:?} with milestone_prs handler: {:?}",
             event,
             e
         );