Update dependency Azure.Storage.Blobs to 12.29.0

[dependencyupdates]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Azure.Storage.Blobs (source)	12.27.0 → 12.29.0

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Release Notes

Azure/azure-sdk-for-net (Azure.Storage.Blobs)

v12.29.0

Compare Source

12.29.0 (2026-06-04)

Features Added

• Includes all features from 12.29.0-beta.1

Bugs Fixed

• Added validation for length-prefixed fields when parsing Blob Query responses to prevent excessive memory allocation from malformed or untrusted payloads.

v12.28.0

Compare Source

12.28.0 (2026-05-12)

Features Added

• Includes all features from 12.28.0-beta.1

Bugs Fixed

• Fixed issue where the TokenRequestContext.Scopes contained a double slash (e.g. https://storage.azure.com//.default) when using TokenCredential authentication. (#​58295)

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