Enable structured logs (#1766)

This changes enables structured json logs and also writes to `stdout` rather than the default `stderr`.

Co-authored-by: Bevan Arps <bevan.arps@microsoft.com>

main.go

@@ -77,9 +77,7 @@ func main() {
 
 	flag.Parse()
 
-	ctrl.SetLogger(zap.New(func(o *zap.Options) {
-		o.Development = true
-	}))
+	ctrl.SetLogger(zap.New(zap.UseDevMode(false), zap.WriteTo(os.Stdout)))
 
 	err := resourcemanagerconfig.ParseEnvironment()
 	if err != nil {