Update release note for 4.16.2 #512

	#
	# Licensed to the Apache Software Foundation (ASF) under one
	# or more contributor license agreements. See the NOTICE file
	# distributed with this work for additional information
	# regarding copyright ownership. The ASF licenses this file
	# to you under the Apache License, Version 2.0 (the
	# "License"); you may not use this file except in compliance
	# with the License. You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing,
	# software distributed under the License is distributed on an
	# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	# KIND, either express or implied. See the License for the
	# specific language governing permissions and limitations
	# under the License.
	#

	name: Website PR validation

	on:
	workflow_dispatch:
	pull_request:
	branches:
	- master
	- branch-*
	paths:
	- 'site3/**'
	- '.github/workflows/website-pr-validation.yaml'

	jobs:
	website-pull-validation:
	runs-on: ubuntu-latest
	timeout-minutes: 60
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Set up JDK 11
	uses: actions/setup-java@v2
	with:
	distribution: 'temurin'
	java-version: 11

	- name: Set up Maven
	uses: apache/pulsar-test-infra/setup-maven@master
	with:
	maven-version: 3.8.7

	- name: Setup NodeJS
	uses: actions/setup-node@v2
	with:
	node-version: '16'

	- name: Setup yarn
	run: npm install -g yarn

	- name: Build website
	run: \|
	./site3/website/scripts/build-website.sh

Provide feedback