Require oemof.tools v0.4.3

We require the experimental feature warning.

setup.py

@@ -82,7 +82,7 @@ def read(*names, **kwargs):
         "pandas >= 1.5.3",
         "pyomo >= 6.6.0, < 7.0",
         "networkx",
-        "oemof.tools >= 0.4.2",
+        "oemof.tools >= 0.4.3",
         "oemof.network >= 0.5.0",
     ],
     extras_require={