[api] OPSAPS-32887 CM API version needs to be incremented to 13

Bump API version to 13 for CM 5.8 on the CM Python API

Testing:
make test

Author: Aravind Selvan

python/setup.py

@@ -38,7 +38,7 @@
 
 setup(
   name = 'cm_api',
-  version = '12.0.0',    # Compatible with API v12 (CM 5.7)
+  version = '13.0.0',    # Compatible with API v13 (CM 5.8)
   packages = find_packages('src', exclude=['cm_api_tests']),
   package_dir = {'cm_api': 'src/cm_api',
                  'cm_shell': 'src/cm_shell'},

python/src/cm_api/api_client.py

@@ -30,7 +30,7 @@
 LOG = logging.getLogger(__name__)
 
 API_AUTH_REALM = "Cloudera Manager"
-API_CURRENT_VERSION = 12
+API_CURRENT_VERSION = 13
 
 class ApiException(RestException):
   """