Update dependency Azure.Storage.Blobs to 12.29.2

[dependencyupdates]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Azure.Storage.Blobs (source)	12.29.1 → 12.29.2

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Release Notes

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

v12.29.2

Compare Source

12.29.2 (2026-08-24)

Bugs Fixed

• Fixed a bug where client-side encryption 2.0 could not detect a rearrangement of otherwise-untampered authenticated regions in blob content. This is now detected and exceptions are thrown. For data recovery purposes, this behavior can be reverted by enabling "Azure.Storage.CseV2AllowMisorderedAuthRegions" in the AppContext switch or "AZURE_STORAGE_CSE_V2_ALLOW_MISORDERED_AUTH_REGIONS" in environment variables.
• Fixed a bug in client-side encryption where version downgrades were only detected at the start of a download.

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