Update docs

Author: infeo

README.md

@@ -6,6 +6,6 @@ macOS-specific implementations of [integrations-api](https://github.com/cryptoma
 
 Since this project involves JNI, you'll Java as well as Xcode build tools:
 
-* JDK 11
+* JDK 17
 * Maven
 * XCode Command Line Tools (run `xcode-select --install`)