Update dependency eslint-plugin-functional to v9

Author: renovate[bot]

package.json

@@ -66,7 +66,7 @@
 		"dotenv": "16.5.0",
 		"eslint": "8.57.1",
 		"eslint-config-prettier": "10.1.5",
-		"eslint-plugin-functional": "4.4.1",
+		"eslint-plugin-functional": "9.0.1",
 		"ethers": "6.14.1",
 		"glob": "11.0.2",
 		"husky": "9.1.7",