Update dependency pydantic-xml to v2

Author: renovate[bot]

pyproject.toml

@@ -24,7 +24,7 @@ packages = [{ include = "regrws" }]
 python = "^3.11"
 requests = "^2.28.1"
 pydantic = { extras = ["dotenv"], version = "^1.10.22" }
-pydantic-xml = "1.0.0"
+pydantic-xml = "2.17.0"
 certifi = "^2025.0.0"
 
 [tool.poetry.group.dev.dependencies]