chore(deps): update helm release external-secrets to v2

manifests/artemis/external-secrets/kustomization.yaml

@@ -10,6 +10,6 @@ resources:
 helmCharts:
   - name: external-secrets
     repo: https://charts.external-secrets.io/
-    version: 1.2.0
+    version: 2.0.0
     releaseName: external-secrets
     namespace: external-secrets

manifests/artemis/nextcloud/kustomization.yaml

@@ -10,7 +10,7 @@ resources:
 helmCharts:
   - name: nextcloud
     repo: https://nextcloud.github.io/helm/
-    version: 8.9.1
+    version: 8.5.2
     releaseName: nextcloud
     namespace: nextcloud
     valuesFile: values.yaml