Merge releases/v3 into releases/v2

[github-actions]

Merging ea9e4e3 into releases/v2.

Conductor for this PR is @mbg.

Contains the following pull requests:

• Upgrade workflows to actions/upload-artifact@v4 #2583 (@angelapwen)
• Dependency caching: small output improvements #2597 (@mbg)
• Mergeback v3.27.3 refs/heads/releases/v3 into main #2602 (@NlightNFotis)
• Merge main into releases/v3 #2605 (@mbg)

Please do the following:

• Ensure the CHANGELOG displays the correct version and date.
• Ensure the CHANGELOG includes all relevant, user-facing changes since the last release.
• Check that there are not any unexpected commits being merged into the releases/v2 branch.
• Ensure the docs team is aware of any documentation changes that need to be released.
• Remove and re-add the "Update dependencies" label to the PR to trigger just this workflow.
• Wait for the "Update dependencies" workflow to push a commit updating the dependencies.
• Mark the PR as ready for review to trigger the full set of PR checks.
• Approve and merge this PR. Make sure Create a merge commit is selected rather than Squash and merge or Rebase and merge.

[github-actions]

Pushed a commit to update the checked-in dependencies. Please mark the PR as ready for review to trigger PR checks.