feat: Allow public access to cos buckets

[Aayush-Abhyarthi]

Description

#988

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Release notes content

The changes includes introducing a new boolean variable allow_public_access_to_buckets in the DAs for both regional as well as cross-regional buckets that will make the buckets accessible publicly.

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[Aayush-Abhyarthi]

/run pipeline

[Aayush-Abhyarthi]

/run pipeline

[Aayush-Abhyarthi]

/run pipeline