bump nginx ingress chart to fix 2025 CVEs

Change-Id: I83eb8cc3088e53c083249256a93b7b66744ebe00
(cherry picked from commit 806de7313f98d6e733d222cd779608e8c3ec82be)
(cherry picked from commit 8d29532d05dd95fc75c99e3910883a11d4852a8b)
diff --git a/charts/ingress-nginx/.helmignore b/charts/ingress-nginx/.helmignore
index 50af031..109b408 100644
--- a/charts/ingress-nginx/.helmignore
+++ b/charts/ingress-nginx/.helmignore
@@ -20,3 +20,4 @@
 .idea/
 *.tmproj
 .vscode/
+__snapshot__