Fix worker and admin ca (#7807)

* Fix Worker and Admin CA in helm chart

* Fix Worker and Admin CA in helm chart - add security.toml modification

* Fix Worker and Admin CA in helm chart - fix security.toml modification error

* Fix Worker and Admin CA in helm chart - fix  errors in volume mounts

* Fix Worker and Admin CA in helm chart - address review comments

- Remove worker-cert from admin pod (principle of least privilege)
- Remove admin-cert from worker pod (principle of least privilege)
- Remove overly broad namespace wildcards from admin-cert dnsNames
- Remove overly broad namespace wildcards from worker-cert dnsNames

---------

Co-authored-by: chrislu <chris.lu@gmail.com>

k8s/charts/seaweedfs/templates/shared/security-configmap.yaml

@@ -65,6 +65,14 @@ data:
     cert = "/usr/local/share/ca-certificates/filer/tls.crt"
     key  = "/usr/local/share/ca-certificates/filer/tls.key"
 
+    [grpc.admin]
+    cert = "/usr/local/share/ca-certificates/admin/tls.crt"
+    key  = "/usr/local/share/ca-certificates/admin/tls.key"
+
+    [grpc.worker]
+    cert = "/usr/local/share/ca-certificates/worker/tls.crt"
+    key  = "/usr/local/share/ca-certificates/worker/tls.key"
+
     # use this for any place needs a grpc client
     # i.e., "weed backup|benchmark|filer.copy|filer.replicate|mount|s3|upload"
     [grpc.client]