dev: update github workflow deps to latest versions

[lindsay-stevens]

The v2 dependencies are now showing a deprecation warning, as shown here.

What has been done to verify that this works as intended?

Successful workflow run here.

Why is this the best possible solution? Were any other approaches considered?

N/A

How does this change affect users? Describe intentional changes to behavior and behavior that could have accidentally been affected by code changes. In other words, what are the regression risks?

Does not affect users.

Do we need any specific form for testing your changes? If so, please attach one.

N/A

Does this change require updates to documentation? If so, please file an issue here and include the link below.

No

Before submitting this PR, please make sure you have:

• included test cases for core behavior and edge cases in tests
• run nosetests and verified all tests pass
• run python bin/pre_commit.py to format / lint code
• verified that any code or assets from external sources are properly credited in comments