Document that zstd:chunked is downgraded to zstd when encrypting

A part of https://github.com/containers/common/issues/2117 .

Signed-off-by: Miloslav Trmač <mitr@redhat.com>
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Miloslav Trmač committed 2024-09-30 21:52:35 +02:00
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#### **--compression-format**=**gzip** | *zstd* | *zstd:chunked*
Specifies the compression format to use. Supported values are: `gzip`, `zstd` and `zstd:chunked`. The default is `gzip` unless overridden in the containers.conf file.
`zstd:chunked` is incompatible with encrypting images, and will be treated as `zstd` with a warning in that case.