Bump lxml floor to >=6.1.0

Author: Nils Bars

tests/pyproject.toml

@@ -15,7 +15,7 @@ dependencies = [
     "python-dotenv>=1.0.0",
     "pyyaml>=6.0",
     "beautifulsoup4>=4.12.0",
-    "lxml>=4.9.0",
+    "lxml>=6.1.0",
     "jinja2>=3.0.0",
     "coverage[toml]>=7.0.0",
     "cloudpickle>=3.0.0",