Add ImagePullPolicy to the AutoscalingListener, configurable through Manager env (#2477)

config/crd/bases/actions.github.com_autoscalinglisteners.yaml

@@ -80,6 +80,9 @@ spec:
                 image:
                   description: Required
                   type: string
+                imagePullPolicy:
+                  description: Required
+                  type: string
                 imagePullSecrets:
                   description: Required
                   items:

config/manager/manager.yaml

@@ -56,6 +56,8 @@ spec:
           valueFrom:
             fieldRef:
               fieldPath: metadata.namespace
+        - name: CONTROLLER_MANAGER_LISTENER_IMAGE_PULL_POLICY
+          value: IfNotPresent
         volumeMounts:
         - name: controller-manager
           mountPath: "/etc/actions-runner-controller"