Build warning when action runs: Node.js 12 actions are deprecated

When using the action, Github throws a warning in the workflow run summary:
`Node.js 12 actions are deprecated. Please update the following actions to use Node.js 16: zyborg/pester-tests-report@v1. For more information see: https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/.`