Node.js 16.x Lambda runtime EOL

[yoshiharu-hirose]

Node.js 16.x Lambda runtime has been deprecated at Jun 12, 2024.
https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html

• Block function create: Oct 1, 2025.
• Block function update: Nov 1, 2025.

[TanjaBayer]

#1021

Can you review @scanlonp