Use non-deprecated updateIdentityCredentials in ssl sample

Author: mjameswh

core/src/main/java/io/temporal/samples/ssl/Starter.java

@@ -50,9 +50,9 @@ public static void main(String[] args) throws Exception {
     if (refreshPeriod > 0) {
       AdvancedTlsX509KeyManager clientKeyManager = new AdvancedTlsX509KeyManager();
       // Reload credentials every minute
-      clientKeyManager.updateIdentityCredentialsFromFile(
-          clientKeyFile,
+      clientKeyManager.updateIdentityCredentials(
           clientCertFile,
+          clientKeyFile,
           refreshPeriod,
           TimeUnit.MINUTES,
           Executors.newScheduledThreadPool(1));