Fix SLO update via dogshell (#889)

* Fix SLO update via dogshell

* Do not ignore SLO name on updates

---------

Co-authored-by: jack-edmonds-dd <[email protected]>

Author: aserrallerios

datadog/dogshell/service_level_objective.py

@@ -257,7 +257,7 @@ def _update(cls, args):
             for threshold_str in args.thresholds.split(","):
                 parts = threshold_str.split(":")
                 timeframe = parts[0]
-                target = parts[1]
+                target = float(parts[1])
 
                 threshold = {"timeframe": timeframe, "target": target}
 
@@ -273,6 +273,9 @@ def _update(cls, args):
                 thresholds.append(threshold)
             params["thresholds"] = thresholds
 
+        if args.name:
+            params["name"] = args.name
+
         if args.description:
             params["description"] = args.description