The transformBundle hook is deprecated.

Hi, I see this warning:

> (!) postprocess plugin: The transformBundle hook used by plugin postprocess is deprecated. The renderChunk hook should be used instead.

It works, but probably we need an update (if the plugin is still maintained)

Start by inspecting the postprocess plugin's transformBundle hook and the Rollup deprecation warning. Determine how the plugin's postprocessing behavior maps to renderChunk; done means the equivalent behavior remains intact without the deprecated-hook warning.

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