Update `DataColumnSidecarsByRoot` request to use `DataColumnsByRootIdentifier`

See spec: https://github.com/ethereum/consensus-specs/pull/4284

The request structure for `DataColumnSidecarsByRoot` has been modified to reduce the size of the request message. This will likely be required in the next devnet (peerdas-devnet-7)