Support for Python 3.9 ended and Python 3.13 added. Added lxml to requirements

Author: tbanze

pyproject.toml

@@ -6,15 +6,15 @@ build-backend = "setuptools.build_meta"
 name = "simbench"
 version = "1.6.1"
 authors = [
-    { name = "Steffen Meinecke", email = "steffen.meinecke@uni-kassel.de" }
+    { name = "Steffen Meinecke"}
 ]
 maintainers = [
-    { name = "simbench Developers", email = "simbench@uni-kassel.de" }
+    { name = "simbench Developers", email = "kontakt@simbench.de" }
 ]
 description = "Electrical Power System Benchmark Models."
 readme = "README.rst"
 license = { file = "LICENSE" }
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
@@ -27,13 +27,14 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     # Add the specific Python versions supported here, e.g.:
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
-    "Programming Language :: Python :: 3.12"
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
 dependencies = [
     "pandapower>=3.0.0"
+    "lxml>=6.0"
     ]
 keywords = [
     "benchmark grid", "power system", "network", "grid planning", "grid operation", "grid generation methodology", "comparability", "reproducibility", "electricity", "energy", "engineering", "simulation", "simbench", "time series", "future scenarios"
@@ -60,7 +61,7 @@ all = [
     "pytest~=8.1", "pytest-xdist", "nbmake",
     "ortools", "numba>=0.25", "lightsim2grid>=0.8.1",
     "geopandas",
-    "matplotlib"
+    "matplotlib",
 ]
 # "shapely", "pyproj", "fiona" are dependencies of geopandas and should be already available