docs: updated version for release 5.0.0 (#61)

updated the README to the new version

Author: tyao117

ibm_scc/version.py

@@ -1,6 +1,6 @@
 # coding: utf-8
 
-# (C) Copyright IBM Corp. 2019, 2020.
+# (C) Copyright IBM Corp. 2025.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -17,4 +17,4 @@
 """
 Version of mysdk
 """
-__version__ = '4.0.1'
+__version__ = '5.0.0'