fix: annotations, not labels (#36)

<picard face palm gif>

- purelb requires annotations not labels

Reviewed-on: #36

apps/overlays/au-syd1/csi-cephfs/kustomization.yaml

@@ -0,0 +1,14 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - ../../../base/csi-cephfs
+
+helmCharts:
+  - name: ceph-csi-cephfs
+    repo: https://ceph.github.io/csi-charts
+    version: "3.15.0"
+    releaseName: ceph-csi-cephfs
+    namespace: csi-cephfs
+    valuesFile: values.yaml