JDK 9+ support

[TomerAdmon]

Jenkins and plugins versions report

Environment

Paste the output here

What Operating System are you using (both controller, and any agents involved in the problem)?

Windows, JDK 8.311

Reproduction steps

Install the plugin
run a build

Expected Results

no issues 👍

Actual Results

java.lang.UnsupportedOperationException: clientBuilder.sslSocketFactory(SSLSocketFactory) not supported on JDK 9+

Anything else?

No response