Fix panic on hook since v0.126.0 (#1448)

Fixes #1445

pkg/event/bus.go

@@ -41,7 +41,8 @@ type Bus struct {
 func (bus *Bus) Trigger(evt string, evtErr error, context map[string]interface{}) (bool, error) {
 	if bus.Runner == nil {
 		bus.Runner = helmexec.ShellRunner{
-			Dir: bus.BasePath,
+			Dir:    bus.BasePath,
+			Logger: bus.Logger,
 		}
 	}
 

test/integration/happypath.yaml

@@ -19,6 +19,14 @@ releases:
     set:
       - name: ingress.enabled
         value: false
+    hooks:
+    - events: ["prepare", "cleanup"]
+      showlogs: true
+      command: "echo"
+      args:
+      - "{{`{{.Environment.Name}}`}}"
+      - "{{`{{.Release.Name}}`}}"
+      - "{{`{{.HelmfileCommand}}`}}"
 
   - name: raw
     chart: incubator/raw