Update pyproject.toml

Author: LioriE

pyproject.toml

@@ -36,6 +36,7 @@ Flask = ["Flask"]
 python = ">=3.8.1,<4.0"
 pyjwt = { version = ">=2.4.0", extras = ["crypto"] }
 email-validator = [{ version = ">=2,<3", python = ">=3.8" }]
+liccheck = "^0.9.1"
 Flask = ">=2"
 httpx = "^0.27.2"