Merge pull request #19 from k8s-at-home/renovate/metallb-2.x

chore(deps): update helm release metallb to v2.3.7

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

@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://charts.bitnami.com/bitnami
       chart: metallb
-      version: 2.3.5
+      version: 2.3.7
       sourceRef:
         kind: HelmRepository
         name: bitnami-charts