VR: fix health check error due to deprecated SafeConfigParser

warning below
```
root@r-20-VM:~# /opt/cloud/bin/getRouterMonitorResults.sh true
/root/monitorServices.py:59: DeprecationWarning: The SafeConfigParser class has been renamed to ConfigParser in Python 3.2. This alias will be removed in Python 3.12. Use ConfigParser directly instead.
  parser = SafeConfigParser()
```

systemvm/debian/root/monitorServices.py

@@ -16,7 +16,7 @@
 # specific language governing permissions and limitations
 # under the License.
 
-from configparser import SafeConfigParser
+from configparser import ConfigParser
 from subprocess import *
 from datetime import datetime
 import time
@@ -56,7 +56,7 @@ def getServicesConfig( config_file_path = "/etc/monitor.conf" ):
 
     """
     process_dict = {}
-    parser = SafeConfigParser()
+    parser = ConfigParser()
     parser.read( config_file_path )