Throw an error, do not just log an error, if provided schema is not legit #456

	---
	name: Validation

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	# Validate CITATION.cff
	validate_cff:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: 3
	- name: Validate CITATION.cff
	run: pipx run cffconvert --validate
	check_change_log:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Check for changes in changelog
	env:
	BASE_REF: ${{ github.event.pull_request.base.ref }}
	NO_CHANGELOG_LABEL: ${{ contains(github.event.pull_request.labels.*.name, 'no changelog') }}
	run: .github/scripts/scriv_check.sh
	shell: bash

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