testing/openjdk16: upgrade to 16.0.1
This MR updates openjdk16 to the latest release.
https://www.oracle.com/java/technologies/javase/16-0-1-relnotes.html
This MR updates openjdk16 to the latest release.
https://www.oracle.com/java/technologies/javase/16-0-1-relnotes.html