feat: Onboard Google Cloud Release Notes dataset

[martinvarelaj]

Description

Onboards Google Cloud Release Notes dataset

Checklist

• Please merge this PR for me once it is approved.
• If this PR adds or edits a dataset or pipeline, it was reviewed and approved by the Google Cloud Public Datasets team beforehand.
• If this PR adds or edits a dataset or pipeline, I put all my code inside datasets/<YOUR-DATASET> and nothing outside of that directory.
• This PR is appropriately labeled.

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[adlersantos]

@googlebot I consent