Update setup.py

Author: Joao-Dionisio

setup.py

@@ -110,7 +110,7 @@
 
 setup(
     name="PySCIPOpt",
-    version="5.5.1",
+    version="5.5.0",
     description="Python interface and modeling environment for SCIP",
     long_description=long_description,
     long_description_content_type="text/markdown",