chore: added igra to solana igp (#8601)

Author: troykessler

rust/sealevel/environments/mainnet3/gas-oracle-configs.json

@@ -144,6 +144,14 @@
       },
       "overhead": 166887
     },
+    "igra": {
+      "oracleConfig": {
+        "tokenExchangeRate": "191375350854809900",
+        "gasPrice": "1000000000000",
+        "tokenDecimals": 18
+      },
+      "overhead": 166887
+    },
     "incentiv": {
       "oracleConfig": {
         "tokenExchangeRate": "574126052564429",

typescript/infra/scripts/sealevel-helpers/print-gas-oracles.ts

@@ -127,6 +127,7 @@ function getChainConnections(
       ['solanamainnet', 'eni'],
       ['solanamainnet', 'citrea'],
       ['solanamainnet', 'tron'],
+      ['solanamainnet', 'igra'],
       // For Starknet / Paradex
       ['solanamainnet', 'starknet'],
       ['solanamainnet', 'paradex'],