Add CI testing for purposeful YAML failures. · bzbarsky-apple/connectedhomeip@dbe4ab7

Failed to download action 'https://api.github.com/repos/Wandalen/wretry.action/tarball/a163f62ae554a8f3cbe27b23db15b60c0ae2e93c'. Error: Connection refused (api.github.com:443)

Back off 10.305 seconds before retry.

`pre` execution is not supported for local action from './.github/actions/checkout-submodules-and-bootstrap'