Update go.mod and go.sum to latest version from networkservicemesh/cmd-admission-webhook-k8s@main

PR link: networkservicemesh/cmd-admission-webhook-k8s#485

Commit: b20a978
Author: Network Service Mesh Bot
Date: 2025-03-24 05:10:41 -0500
Message:
  - Update go.mod and go.sum to latest version from networkservicemesh/sdk-k8s@main (#485)
PR link: networkservicemesh/sdk-k8s#552
Commit: e0f3c56
Author: Network Service Mesh Bot
Date: 2025-03-24 05:07:16 -0500
Message:
    - Update go.mod and go.sum to latest version from networkservicemesh/sdk@main (#552)
PR link: networkservicemesh/sdk#1708
Commit: dfa6271
Author: Botond Szirtes
Date: 2025-03-24 11:01:13 +0100
Message:
        - Support custom certificates in metrics server (#1708)
* Support custom certificates in metrics server
* Validate CA file path for Prometheus
* Adjust logging in server.go
---------
Signed-off-by: Botond Szirtes <[email protected]>
Signed-off-by: NSMBot <[email protected]>

Author: NSMBot

apps/admission-webhook-k8s/admission-webhook.yaml

@@ -18,7 +18,7 @@ spec:
       serviceAccount: admission-webhook-sa
       containers:
         - name: admission-webhook-k8s
-          image: ghcr.io/networkservicemesh/ci/cmd-admission-webhook-k8s:a0eac7f
+          image: ghcr.io/networkservicemesh/ci/cmd-admission-webhook-k8s:b20a978
           imagePullPolicy: IfNotPresent
           readinessProbe:
             httpGet: