feat: end support for Node.js 16.x

Author: siddsriv

README.md

@@ -594,6 +594,10 @@ minor version, e.g. 3.200.0 -> 3.201.0.
 
 ## <a id="nodejs-versions"></a> Node.js versions
 
+v3.723.0 and higher requires Node.js >= 18.
+
+v3.567.0 and higher requires Node.js >= 16.
+
 v3.201.0 and higher requires Node.js >= 14.
 
 v3.46.0 to v3.200.0 requires Node.js >= 12.