chore(deps): update helm release metallb to v0.15.2 (#1927)

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

Author: renovate[bot]

cluster/core/metallb-system/helm-release.yaml

@@ -9,7 +9,7 @@ spec:
     spec:
       # renovate: registryUrl=https://metallb.github.io/metallb
       chart: metallb
-      version: 0.14.9
+      version: 0.15.2
       sourceRef:
         kind: HelmRepository
         name: metallb-charts