MAINT - Upgrade GH actions

[trallard]

Description

This pull request:

• Upgrades some GH actions (some were still running on Node 16)
• Fix some typos in the PR template

Pull request checklist

• Did you test this change locally?
• Did you update the documentation (if required)?
• Did you add/update relevant tests for this change (if required)?

Additional information

[pavithraes]

LGTM, thanks!

I'd like to confirm that check-release.yml is being removed intentionally. If yes, we can merge :)

[trallard]

Thanks @pavithraes!

yes the check-release.yaml removal is intentional as added the build checks in the release workflow when I made substantial changes (it made more sense)