fix validate options

Signed-off-by: yxxhero <aiopsclub@163.com>

pkg/app/app_test.go

@@ -2588,7 +2588,7 @@ func (helm *mockHelmExec) Fetch(chart string, flags ...string) error {
 func (helm *mockHelmExec) Lint(name, chart string, flags ...string) error {
 	return nil
 }
-func (helm *mockHelmExec) IsHelm3() bool {
+func (helm *mockHelmExec) IsOverHelm3() bool {
 	return true
 }
 

pkg/app/run.go

@@ -28,7 +28,7 @@ func NewRun(st *state.HelmState, helm helmexec.Interface, ctx Context) (*Run, er
 		return nil, fmt.Errorf("Assertion failed: helmexec.Interface must not be nil")
 	}
 
-	if !helm.IsHelm3() {
+	if !helm.IsOverHelm3() {
 		return nil, fmt.Errorf("helmfile has deprecated helm2 since v0.150.0")
 	}