update to node20 #22

	name: Set var from json
	on: [push]

	jobs:
	assign-from-json:
	runs-on: ubuntu-latest
	name: A test job to read a value from json as a variable
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Read a json file
	uses: ./
	id: read
	with:
	input-file: 'package.json'
	input-property: 'author.name' # Exp: 'fiddlermikey'
	- name: Display property value for input-property in input-file
	id: write
	run: echo "The value for ${{ steps.read.outputs.output-property }} is ${{ steps.read.outputs.output-value }}"

Provide feedback