correct symbol (#3312)

Author: aelmanaa

src/config/data/ccip/v1_2_0/mainnet/tokens.json

@@ -3531,7 +3531,7 @@
     "solana-mainnet": {
       "allowListEnabled": false,
       "decimals": 6,
-      "name": "michi",
+      "name": "Michi",
       "poolAddress": "ATyY7SaiayLnp3teH3c4jRBGiPinSSZyt2gHNNN9C6BV",
       "poolType": "lockRelease",
       "symbol": "$michi",
@@ -4199,7 +4199,7 @@
       "name": "Wrapped Rain Coin",
       "poolAddress": "0x3D9C216B971C82B95106ec98F6ade87F6a56915C",
       "poolType": "lockRelease",
-      "symbol": "RAIN",
+      "symbol": "wRAIN",
       "tokenAddress": "0x2b72C03feAf5f6B624Db83974054848C9dF2c8e7"
     }
   },