Merge branch '4gust/mi-retry-policy' of https://github.com/AzureAD/mi…

…crosoft-authentication-library-for-go into 4gust/mi-retry-policy

apps/managedidentity/managedidentity.go

@@ -101,6 +101,7 @@ var retryStatusCodes = []int{
 	http.StatusRequestTimeout,      // 408
 	http.StatusTooManyRequests,     // 429
 	http.StatusInternalServerError, // 500
+	http.StatusBadGateway,          // 502
 	http.StatusServiceUnavailable,  // 503
 	http.StatusGatewayTimeout,      // 504
 }