feat(helm): update chart ingress-nginx to 4.9.0

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This PR contains the following updates:

Package	Update	Change
ingress-nginx	minor	4.8.4 -> 4.9.0

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--- kubernetes/main/apps/networking/nginx/external Kustomization: flux-system/nginx-external HelmRelease: networking/nginx-external

+++ kubernetes/main/apps/networking/nginx/external Kustomization: flux-system/nginx-external HelmRelease: networking/nginx-external

@@ -13,13 +13,13 @@

     spec:
       chart: ingress-nginx
       sourceRef:
         kind: HelmRepository
         name: ingress-nginx
         namespace: flux-system
-      version: 4.8.4
+      version: 4.9.0
   install:
     remediation:
       retries: 3
   interval: 30m
   maxHistory: 2
   uninstall:
--- kubernetes/main/apps/networking/nginx/internal Kustomization: flux-system/nginx-internal HelmRelease: networking/nginx-internal

+++ kubernetes/main/apps/networking/nginx/internal Kustomization: flux-system/nginx-internal HelmRelease: networking/nginx-internal

@@ -13,13 +13,13 @@

     spec:
       chart: ingress-nginx
       sourceRef:
         kind: HelmRepository
         name: ingress-nginx
         namespace: flux-system
-      version: 4.8.4
+      version: 4.9.0
   install:
     remediation:
       retries: 3
   interval: 30m
   maxHistory: 2
   uninstall: