Bump pillow #303

	name: validate

	on: push

	jobs:
	validate:
	runs-on: ubuntu-22.04
	steps:
	- name: Checkout this repository
	uses: actions/checkout@v4

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.10.4
	cache: 'pip'

	- name: Install preprequisites
	run: \|
	python -m pip install --upgrade pip
	pip install pyyaml==5.3.1
	pip install --upgrade opera-tosca-parser

	- name: Run validation script
	run: ./validate.sh opera-tosca-parser

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