cert-manager: Migrate config to configMapGenerator

cert-manager/kustomization.yaml

@@ -8,6 +8,14 @@ resources:
 - cert-exporter.yaml
 - dch-ca-issuer.yaml
 
+configMapGenerator:
+- name: cert-exporter
+  namespace: cert-manager
+  files:
+  - config.yml=cert-exporter.config.yml
+  options:
+    disableNameSuffixHash: True
+
 secretGenerator:
 - name: zerossl-eab
   namespace: cert-manager