Update Helm release nginx-stable/nginx-ingress to v2.5.2 (#1800)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

config/samples/config_v1alpha1_clusterprofile.yaml

@@ -21,7 +21,7 @@ spec:
   - repositoryURL: https://helm.nginx.com/stable
     repositoryName: nginx-stable
     chartName: nginx-stable/nginx-ingress
-    chartVersion: 2.5.1
+    chartVersion: 2.5.2
     releaseName: nginx-latest
     releaseNamespace: nginx
     helmChartAction: Install

examples/multiple_helm_charts.yaml

@@ -13,7 +13,7 @@ spec:
   - repositoryURL:    https://helm.nginx.com/stable/
     repositoryName:   nginx-stable
     chartName:        nginx-stable/nginx-ingress
-    chartVersion:     2.5.1
+    chartVersion:     2.5.2
     releaseName:      ngix-latest
     releaseNamespace: nginx
     helmChartAction:  Install