Add April 2024 security update for 21u (21.0.3) #80

	# Ensure JSON files and signatures are valid
	name: CI

	# Controls when the workflow will run
	on:
	# Triggers the workflow on push or pull request events but only for the main branch
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v3
	with:
	path: marketplace

	# Install required packages (json_verify, openssl, base64, jdk)
	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install yajl-tools openssl coreutils openjdk-8-jdk

	# Run verification script
	- name: Verify JSON files and signatures
	run: ./scripts/verify_marketplace_files.sh
	working-directory: marketplace

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