MAINT - Update actions

[trallard]

Description

There are several warnings in our CI about deprecations due to outdated actions.
This PR

• bumps relevant actions to their latest major release
• adds some cosmetic changes to keep workflows consistent

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

[peytondmurray]

Thanks for this - looks great!

One thing I noticed which you may want to include here is that the release workflow depends on a workflow from specifically main, not the locally checked out version. I'm not sure if this is intended, but I'm guessing we probably want it to be whatever version is checked out on the github runner? Anyway I'm fine if you don't want to bother with this in this PR, but it might be worth changing later.

[trallard]

It should always use main for the release action since it is only triggered on tag creation which should be created off main