feat(ci): update github actions to node 16

[aali309]

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Fixes: #638

Description of the change:

This change updates GitHub actions node version from 12 that is deprecated to v16

Motivation for the change:

Running workflows produces warning of the deprecated node 12 version

How to manually test:

1. Insert steps here...
2. ...

[mwangggg]

actions/github-script@v4 still uses node12 so we want to update it to v6 as it uses node16, just with the replacement for github.reactions.createForIssueComment and github.pulls.get

[mwangggg]

looks good to me 👍

[ebaron]

Hey @aali309, would you be able to rebase? I tried GitHub's automated rebase, but it seems to have made the commits unverified.

[andrewazores]

Hey @aali309, would you be able to rebase? I tried GitHub's automated rebase, but it seems to have made the commits unverified.

https://github.com/orgs/community/discussions/11639

[aali309]

Hey @aali309, would you be able to rebase? I tried GitHub's automated rebase, but it seems to have made the commits unverified.

done