chore(deps): update helm release cert-manager to v1.16.0

Author: renovate[bot]

cert-manager/kustomization.yaml

@@ -2,7 +2,7 @@ helmCharts:
   - name: cert-manager
     includeCRDs: true
     releaseName: cert-manager
-    version: v1.12.0
+    version: v1.16.0
     repo: https://charts.jetstack.io
     namespace: cert-manager
     valuesFile: values.yaml