chore(deps): update helm release tailscale-operator to v1.88.4

Author: renovate[bot]

kustomize/tailscale/kustomization.yaml

@@ -6,7 +6,7 @@ namespace: tailscale
 helmCharts:
   - name: tailscale-operator
     repo: https://pkgs.tailscale.com/helmcharts
-    version: 1.86.2
+    version: 1.88.4
     releaseName: tailscale-operator
     namespace: ingress
     valuesFile: values.yaml