Merge pull request 'Update Helm release cilium to v1.15.7' (#418) from renovate/patch-cilium into main

Reviewed-on: jahanson/homelab#418

kubernetes/apps/kube-system/cilium/app/helmrelease.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: cilium
-      version: 1.15.6
+      version: 1.15.7
       sourceRef:
         kind: HelmRepository
         name: cilium

kubernetes/bootstrap/helmfile.yaml

@@ -17,7 +17,7 @@ releases:
   - name: cilium
     namespace: kube-system
     chart: cilium/cilium
-    version: 1.15.6
+    version: 1.15.7
     values: ["../apps/kube-system/cilium/app/resources/values.yml"]
     wait: true
   - name: kubelet-csr-approver