chore(deps): update helm release bitnami/contour to v19.5.5

Author: renovate[bot]

config/samples/config_v1alpha1_clusterprofile.yaml

@@ -28,7 +28,7 @@ spec:
   - repositoryURL: https://charts.bitnami.com/bitnami
     repositoryName: bitnami
     chartName: bitnami/contour
-    chartVersion: 19.5.4
+    chartVersion: 19.5.5
     releaseName: contour
     releaseNamespace: projectcontour
     helmChartAction: Install