Upgrade webapps-deploy to Node 16

[LennartMart]

See https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/

[shpraka]

@LennartMart Thanks for the proposal. This is in our backlog, will keep you posted.

Let me know if you're interested in taking it forward.

[shpraka]

We have updated the version in our latest release. Feel free to create a new issue in case of any issues. Closing this issue.