fix version

Author: ChristianBeilschmidt

setup.cfg

@@ -18,7 +18,7 @@ package_dir =
 packages = find:
 python_requires = >=3.9
 install_requires =
-    geoengine-openapi-client @ git+https://github.com/geo-engine/openapi-client@update-openapi-generator#subdirectory=python # file:///home/beilschmidt/git/geo-engine/openapi-client/python/ # TODO update when merged
+    geoengine-openapi-client == 0.0.21
     geopandas >=0.9,<0.15
     matplotlib >=3.5,<3.8
     numpy >=1.21,<2.1