chore(deps): update helm release greptimedb-operator to 0.5.4

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gitops/argocd/charts/observability/greptimedb/Chart.yaml

@@ -10,7 +10,7 @@ appVersion: 1.0.0
 dependencies:
 - name: greptimedb-operator
   repository: https://greptimeteam.github.io/helm-charts
-  version: 0.4.0
+  version: 0.5.4
 - name: greptimedb-cluster
   repository: https://greptimeteam.github.io/helm-charts
   version: 0.6.19