Wrap cert-manager CRDs in conditional (#1076)

There's no point in installing the CRDs if cert-manager itself is
disabled.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- cert-manager CRDs are now only installed when the cert-manager addon
is enabled, providing more control over addon management.

- **Chores**
  - Updated the Kubernetes chart version to 0.24.1.
- Adjusted version mapping to reflect the new chart version and
associated commit.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/apps/kubernetes/templates/helmreleases/cert-manager-crds.yaml

@@ -1,3 +1,4 @@
+{{- if .Values.addons.certManager.enabled }}
 apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
@@ -54,3 +55,4 @@ stringData:
   values: |
     {{- toYaml .Values.addons.certManager.valuesOverride | nindent 4 }}
 {{- end }}
+{{- end }}