[Feature Contribution]: Include Copilot as an automated reviewer for all PRs

[danuw]

What happened?

Include Copilot as an automated reviewer for all PRs

cc @vaughanknight

Code of Conduct

• I agree to follow this project's Code of Conduct

Feature Commitment

• I commit to contributing this feature as a PR and working with the GSF to merge this feature into the Carbon Aware SDK.

[danuw]

Reached out to @seanmcilroy29 on this one. And will update when we have any relevant news.

[github-actions]

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