DigitalOcean inventory deprecation warning (#45054)

Handle DeprecationWarning for ConfigParser in python3

Fixes #45053

contrib/inventory/digital_ocean.py

@@ -320,7 +320,7 @@ class DigitalOceanInventory(object):
 
     def read_settings(self):
         """ Reads the settings from the digital_ocean.ini file """
-        config = ConfigParser.SafeConfigParser()
+        config = ConfigParser.ConfigParser()
         config_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'digital_ocean.ini')
         config.read(config_path)