guide: Add ICQ and Cross-chain queries to the features matrix (#3686)

* Add ICQ and Cross-chain queries to Features Matrix.

Cross-chain ICQ support was added to the go-relayer in cosmos/relayer#1076 on January 31, 2023.

* Fix feature matrix

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Co-authored-by: Luca Joss <luca@informal.systems>
Co-authored-by: Luca Joss <43531661+ljoss17@users.noreply.github.com>

guide/src/advanced/features.md

@@ -112,6 +112,8 @@ __Feature comparison between Hermes and the Go relayer__
 |                        |       |        |
 | FT_Transfer            | ✅    | ✅     | can submit an ICS-20 fungible token transfer message
 | ICA_Relay               | ✅    | ✅     | can relay ICS-27 Interchain account packets
+| Interchain Query (ICQ) support |   ✅    |     ✅     | interchain querying using ABCI
+| Cross-chain Queries            |   ✅    |     ✅     | cross-chain querying between IBC-enabled chains
 | Packet_Recv_A          | ✅    | ✅     |
 | Packet_Recv_P          | ✅    | ✅     |
 | Packet_Timeout_A       | ✅    | ✅     |