fix: nonsensical error message when failing to send branch update events

Author: maxbol

routers/private/hook_post_receive.go

@@ -237,10 +237,10 @@ func HookPostReceive(ctx *gitea_context.PrivateContext) {
 	// Notify users with read access via eventsource that a change
 	// has been made
 	if err := SendContextBranchUpdateEvents(ctx); err != nil {
-		log.Error("Failed to Get Repo Readers: %s/%s Error: %v", ownerName, repoName, err)
+		log.Error("Failed to Send Branch Update Events: %s/%s Error: %v", ownerName, repoName, err)
 
 		ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
-			Err: fmt.Sprintf("Failed to Get Repo Readers: %s/%s Error: %v", ownerName, repoName, err),
+			Err: fmt.Sprintf("Failed to Send Branch Update Events: %s/%s Error: %v", ownerName, repoName, err),
 		})
 
 		return