Fixing warning in cookbook reported by Snyk

Mostly just testing to ensure that the warning goes away in Snyk.

Author: rjrudin

examples/src/main/java/com/marklogic/client/example/cookbook/KerberosSSLClientCreator.java

@@ -61,7 +61,7 @@ public X509Certificate[] getAcceptedIssuers() {
     };
 
     // create an SSL context
-    SSLContext sslContext = SSLContext.getInstance("SSLv3");
+    SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
     sslContext.init(null, new TrustManager[] { naiveTrustMgr }, null);
 
     // create the client