fix: date fixes; go middleware refactors; regex fixes; etc (#368)

fix: format of date when MR was closed or merged (#367)
refactor: Add Payload Validators + Middleware In Go Code (#366)
fix: Add better checks for leaving comments (#369)
fix: regex support for http credentials embedded in remote url (#372)
fix: Comment on single line selects two lines (#371)

This is a #PATCH release.

cmd/app/shutdown.go

@@ -69,10 +69,7 @@ func (s shutdown) shutdownHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	w.WriteHeader(http.StatusOK)
-	response := SuccessResponse{
-		Message: text,
-		Status:  http.StatusOK,
-	}
+	response := SuccessResponse{Message: text}
 
 	err = json.NewEncoder(w).Encode(response)
 	if err != nil {