chore(docs): adding recipe on how to use secrets

[danielbdias]

This PR adds a new recipe for structuring and running a test using Github Actions with secrets.

Changes

• Added example
• Added recipe

Checklist

• [x] tested locally
• [ ] added new dependencies
• [x] updated the docs
• [ ] added a test

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Name	Status	Preview	Comments	Updated (UTC)
tracetest	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 4, 2024 1:48pm