chore(deps): update busybox docker tag to v1.38.0

Author: renovate[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM busybox:1.37.0
+FROM busybox:1.38.0
 
 RUN ["/bin/mkdir", "-p", "/plugins/capsule"]
 

deploy/headlamp/values.yaml

@@ -79,7 +79,7 @@ initContainers:
 # possible to replace the built bundle without rebuilding the pod.
 extraContainers:
   - name: plugin-sync
-    image: busybox:1.37.0
+    image: busybox:1.38.0
     imagePullPolicy: IfNotPresent
     command:
       - /bin/sh