• relates to vendor: github.com/containerd/containerd v1.7.19, migrate to github.com/containerd/platforms module #47142

We currently depend on the containerd platform-parsing to return typed errdefs errors; the new containerd platforms module does not return such errors, and documents that errors returned should not be used as sentinel errors; https://github.com/containerd/platforms/blob/c1438e911ac7596426105350652fe267d0fb8a03/errors.go#L21-L30

// These errors mirror the errors defined in [github.com/containerd/containerd/errdefs],
// however, they are not exported as they are not expected to be used as sentinel
// errors by consumers of this package.
//
//nolint:unused // not all errors are used on all platforms.
var (
	errNotFound        = errors.New("not found")
	errInvalidArgument = errors.New("invalid argument")
	errNotImplemented  = errors.New("not implemented")
)

Let's type these errors ourselves, so that we don't depend on the error-types returned by containerd, and consider that eny platform string that results in an error is an invalid parameter.

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