Version Bump + Add pod deletion policy docs

[FireDrunk]

Which issue(s) this PR fixes:

Issue (https://github.com/longhorn/longhorn/issues/11876)

What this PR does / why we need it:

It adds docs for the built option.

Special notes for your reviewer:

The only changed line is at https://github.com/longhorn/website/compare/master...FireDrunk:website:feature/enable-pod-deletion?expand=1#diff-1c57a4838d4e797f2a8a816f1e0f002f02cf6fa30752482e4e69cb2fa289e86eR449

Additional documentation or context

Nope.

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[derekbit]

@FireDrunk Is the PR ready for review?