chore(deps): update dependency hardhat to v2.22.8

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

Author: renovate[bot]

package-lock.json

@@ -16,7 +16,7 @@
     "@openzeppelin/contracts": "5.0.2",
     "@openzeppelin/subgraphs": "0.1.8-5",
     "@types/node": "20.14.14",
-    "hardhat": "2.22.7",
+    "hardhat": "2.22.8",
     "solhint": "5.0.3"
   },
   "overrides": {