docs: Fix incorrect values for hubble-ui standalone install
docs: Fix incorrect values for hubble-ui standalone install

This PR fixes incorrect values given in the document for hubble-ui
standalone install.

Fixes: #18650

Signed-off-by: Yusuke Suzuki <1541adf1da26a977b4dedd7d2bf870883f7a3a99@cybozu.co.jp>

cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,cilium/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,cilium/cilium,michi-covalent/cilium,michi-covalent/cilium