Update Helm release core to v2.8.11

Author: renovate[bot]

neuvector-azure-keyvault/Chart.yaml

@@ -1,12 +1,12 @@
 apiVersion: v2
 description: A Helm chart for NeuVector
 name: neuvector-azure-keyvault
-version: 1.6.4
+version: 1.6.5
 dependencies:
   - name: library
     version: 2.2.2
     repository: oci://hmctsprod.azurecr.io/helm
   - name: core
     alias: neuvector
-    version: 2.8.7
+    version: 2.8.11
     repository: https://neuvector.github.io/neuvector-helm/