Update dependency arrow to v1.4.0

Author: renovate[bot]

poetry.lock

@@ -14,7 +14,7 @@ fastapi = {version = "0.110.1", extras = ["all"]}
 requests = "2.31.0"
 cachetools = "^5.3.1"
 ics = "0.7.2"
-arrow = "1.3.0"
+arrow = "1.4.0"
 prometheus-client = "0.20.0"
 prometheus-fastapi-instrumentator = "7.0.0"
 pydantic-settings = "2.2.1"