Ingress NGINX: Promote Test Runner v1.3.4.

Commit: kubernetes/ingress-nginx@fbcbcbf
Job: https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/post-ingress-nginx-test-runner/1920352696628416512
Build: https://storage.googleapis.com/kubernetes-ci-logs/logs/post-ingress-nginx-test-runner/1920352696628416512/artifacts/build.log

Author: Gacko

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

@@ -320,6 +320,7 @@
     "sha256:e5342d52e2eb6459483b9538b3456d67b3b15e4c55eb9f67993b55ed2ed61901": ["v1.3.1"]
     "sha256:67dadb03d37d87a0c865ca2c7e6703f54fcc6ed83341805a818d01007d20c21d": ["v1.3.2"]
     "sha256:d988fea544ba4179f29f380fb6bdd676bad02ad1b001066d732b7b8ee0ab1de2": ["v1.3.3"]
+    "sha256:d0bf631ffb2892c7781602573323e95d79e00150ba22b4445718df60942f9281": ["v1.3.4"]
     "sha256:78c1e675520ae9345789fdaf684ccb335a94938390dc6f9f651dd93164f3a888": ["v2.0.1"]
     "sha256:192e9e4b4f660093a3bc73e1a5e702ee287eb2a351f38cdc5f72e1ff94e65e31": ["v2.0.2"]
     "sha256:1016d108440ed31a453ef397fcd2c3b1236f7375830deece65ca34dd8500882d": ["v2.0.3"]