update used gh actions ahead of set-output, node12 deprecation

[davidbloss]

resolves #740

Update versions of used Github Actions ahead of:

node12 deprecation (Summer 2023) set-output deprecation (fully disabled on 31st May 2023)

Description

Checklist

• [ ] I have read the contributing guide and understand what's expected of me
• [ ] I have signed the CLA
• [ ] I have run this code in development and it appears to resolve the stated issue
• [ ] This PR includes tests, or tests are not required/relevant for this PR
• [ ] I have opened an issue to add/update docs, or docs changes are not required/relevant for this PR
• [ ] I have run changie new to create a changelog entry

[github-actions[bot]]

Thank you for your pull request! We could not find a changelog entry for this change. For details on how to document a change, see the dbt-spark contributing guide.

[davidbloss]

Disregard these updates. This related PR is also not needed