AWX 19.0.0: password authentication failed for user "awx"

Setup
CentOS 7, 3.10.0-1160.21.1.el7.x86_64
minikube version: v1.19.0
AWX 19.0.0

Steps to reproduce
$ minikube start --addons=ingress --driver=none
$ kubectl apply -f https://raw.githubusercontent.com/ansible/awx-operator/devel/deploy/awx-operator.yaml

$ kubectl apply -f awx19.yaml
$ cat awx19.yml

The problem doesn’t occur anymore with minikube v1.20.0, awx-operator 0.9.0.