Ingress NGINX: Promote Test Runner v2.2.5.

Author: Gacko

registry.k8s.io/images/k8s-staging-ingress-nginx/images.yaml

@@ -416,6 +416,7 @@
     "sha256:adc146da02b1c75ddb2d3bd2e20a05aceabc4c15f1a1d67192737b8a1fc47398": ["v2.2.2"]
     "sha256:99f201302cdb6b066f9f49dc84625192dd9f908d8bf979e1fc4dae904c2dfb15": ["v2.2.3"]
     "sha256:37c74685797048cf0069619f939292e0609932dab9fbf5b3b4e0aec3be218ba0": ["v2.2.4"]
+    "sha256:809e498502a0cc524ac9fc2d56bb1d045bce23b479b0acc44be160d41a091882": ["v2.2.5"]
 
 # Ingress NGINX: Chart
 - name: charts/ingress-nginx