chore(deps): update dependency solhint to v6.0.3

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

bun.lock

@@ -44,7 +44,7 @@
     "@openzeppelin/contracts": "5.4.0",
     "@openzeppelin/subgraphs": "0.1.8-5",
     "hardhat": "2.27.1",
-    "solhint": "6.0.1"
+    "solhint": "6.0.3"
   },
   "overrides": {
     "@graphprotocol/graph-cli": "0.96.0",