Update Node.js to v20 · wabarc/cairn@dc183c3

StepSecurity Harden Runner: DNS resolution for domain actions-results-receiver-production.githubapp.com. was blocked. This domain is not in the list of allowed-endpoints.

StepSecurity Harden Runner: DNS resolution for domain pipelinesghubeus2.actions.githubusercontent.com. was blocked. This domain is not in the list of allowed-endpoints.

Failed to save: reserveCache failed: connect ECONNREFUSED 54.185.253.63:443