[Helm chart] use /healthz as default route in readiness/liveness (#5990)

feat: #1627 use `/healthz` as default route in readinessProbe/livenessProbe of volume server

k8s/charts/seaweedfs/values.yaml

@@ -459,7 +459,7 @@ volume:
   livenessProbe:
     enabled: true
     httpGet:
-      path: /status
+      path: /healthz
       scheme: HTTP
     initialDelaySeconds: 20
     periodSeconds: 90
@@ -472,7 +472,7 @@ volume:
   readinessProbe:
     enabled: true
     httpGet:
-      path: /status
+      path: /healthz
       scheme: HTTP
     initialDelaySeconds: 15
     periodSeconds: 15