Update nomic testnet channel (#2047)

Author: JoseRFelix

osmo-test-5/osmosis.zone_assets.json

@@ -152,7 +152,7 @@
           "counterparty": {
             "chain_name": "nomictestnet",
             "base_denom": "usat",
-            "channel_id": "channel-1"
+            "channel_id": "channel-2"
           },
           "chain": {
             "channel_id": "channel-9244",