fix(controller): Support emissary on Windows (#5203)

Signed-off-by: Markus Lippert <lippertmarkus@gmx.de>

cmd/argoexec/commands/emissary.go

@@ -21,7 +21,6 @@ import (
 	"github.com/argoproj/argo-workflows/v3/util/archive"
 	"github.com/argoproj/argo-workflows/v3/workflow/common"
 	osspecific "github.com/argoproj/argo-workflows/v3/workflow/executor/os-specific"
-	"github.com/argoproj/argo-workflows/v3/workflow/util/path"
 )
 
 var (
@@ -74,7 +73,7 @@ func NewEmissaryCommand() *cobra.Command {
 				return fmt.Errorf("failed to unmarshal template: %w", err)
 			}
 
-			name, err = path.Search(name)
+			name, err = exec.LookPath(name)
 			if err != nil {
 				return fmt.Errorf("failed to find name in PATH: %w", err)
 			}

go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/aliyun/aliyun-oss-go-sdk v2.1.5+incompatible
 	github.com/antonmedv/expr v1.8.8
 	github.com/argoproj/argo-events v1.2.0
-	github.com/argoproj/pkg v0.4.0
+	github.com/argoproj/pkg v0.5.0
 	github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f // indirect
 	github.com/blushft/go-diagrams v0.0.0-20201006005127-c78c821223d9
 	github.com/colinmarc/hdfs v1.1.4-0.20180805212432-9746310a4d31
@@ -74,7 +74,7 @@ require (
 	k8s.io/client-go v0.19.6
 	k8s.io/code-generator v0.19.6
 	k8s.io/gengo v0.0.0-20201214224949-b6c5ce23f027 // indirect
-	k8s.io/klog/v2 v2.4.0
+	k8s.io/klog/v2 v2.5.0
 	k8s.io/kube-openapi v0.0.0-20201113171705-d219536bb9fd
 	k8s.io/utils v0.0.0-20201110183641-67b214c5f920
 	sigs.k8s.io/controller-tools v0.4.1