add codecov token

[K-Meech]

Description

What is this PR

• [ ] Bug fix
• [ ] Addition of a new feature
• [X] Other

Why is this PR needed? Codecov is currently complaining on all actions runs with: secret-codecov-token is not set. This will be required in the future.

What does this PR do? This PR ensures test_and_deploy is using the codecov token, as recommended in the readme for the neuroinformatics unit test action

References

None

How has this PR been tested?

Hopefully codecov won't error on the github actions runs for this PR

Is this a breaking change?

No

Does this PR require an update to the documentation?

No

Checklist:

• [X] The code has been tested locally
• [X] Tests have been added to cover all new functionality (unit & integration)
• [X] The documentation has been updated to reflect any changes
• [X] The code has been formatted with pre-commit