[Storage] `delete/set_immutability_policy` for `BlobClient`#3342

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vincenttran-msft wants to merge 4 commits intoAzure:mainfrom

vincenttran-msft:vincenttran/set_immut_policy

Commits on Nov 12, 2025

Commits on Nov 15, 2025

Fully fleshed, pending other PRs to get playback-only decorator, and to fix up legal hold to point to versioned as well + get bicep updated to work
vincenttran-msft
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Commits on Nov 19, 2025

PR feedback rename to expiry
vincenttran-msft
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