[INFRA] Add a workflow to check the accessibility of the website from the preview of a PR #1180
Description
Some POCs has been done:
- foo-software/lighthouse-check-action chore(poc): add a new workflow for the foo-software/lighthouse-check-action action #1166
- a11ywatch/github-action chore(poc): add a new workflow for the a11ywatch/github-action #1165
- a11ytester-action chore(poc): add a new workflow for the a11ytester-action action #1164
- axe-core/cli chore(poc): add a new workflow for axe-core/cli #1163
- Pa11y CI chore(poc): add a new workflow for Pa11y CI #1162
- treosh/lighthouse-ci-action chore(poc): add a new workflow for the treosh/lighthouse-ci-action action #1161