doc XDP: update the list of required capabilities
We're the same as knotd in this; it evolved a bit with libknot and kernel versions. Taken from: https://www.knot-dns.cz/docs/3.2/singlehtml/#mode-xdp-pre-requisites
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We're the same as knotd in this; it evolved a bit with libknot and kernel versions. Taken from: https://www.knot-dns.cz/docs/3.2/singlehtml/#mode-xdp-pre-requisites