nginx: Revert upgrade to 4.12.0

Until kubernetes/ingress-nginx#12626 is released

Author: pando85

system/ingress-nginx-external/values.yaml

@@ -16,6 +16,7 @@ ingress-nginx:
         proxy_cache_use_stale updating;
       use-forwarded-headers: true
       allow-snippet-annotations: true
+      annotations-risk-level: Critical
       enable-brotli: "true"
       brotli-level: "6"
       # Added text/html and application/vnd.api+json + default ones:

system/ingress-nginx/Chart.yaml

@@ -3,5 +3,6 @@ name: ingress-nginx
 version: 0.0.0
 dependencies:
   - name: ingress-nginx
-    version: 4.12.0
+    # This fix need to be applied: https://github.com/kubernetes/ingress-nginx/pull/12626
+    version: 4.11.3
     repository: https://kubernetes.github.io/ingress-nginx

system/ingress-nginx/values.yaml

@@ -1,8 +1,7 @@
 ingress-nginx:
   controller:
     admissionWebhooks:
-      # This fix need to be applied: https://github.com/kubernetes/ingress-nginx/pull/12626
-      enabled: false
+      enabled: enable
       timeoutSeconds: 30
 
     replicaCount: 2
@@ -19,7 +18,6 @@ ingress-nginx:
       use-forwarded-headers: true
       allow-snippet-annotations: true
       annotations-risk-level: Critical
-      allow-cross-namespace-resources: "true"
       enable-brotli: "true"
       brotli-level: "6"
       # Added text/html and application/vnd.api+json + default ones: