Simplify ansible-lint config and fix Docker builds: Ubuntu DEBIAN_FRONTEND, CentOS --allowerasing

.github/workflows/ci-cd.yml

@@ -79,6 +79,7 @@ jobs:
       run: |
         docker build -t test-ubuntu:${{ matrix.ubuntu_version }} -f- . <<EOF
         FROM ubuntu:${{ matrix.ubuntu_version }}
+        ENV DEBIAN_FRONTEND=noninteractive
         RUN apt-get update && apt-get install -y \
             python3 python3-pip sudo openssh-server curl \
             && apt-get clean \
@@ -212,7 +213,7 @@ jobs:
         docker build -t test-centos:stream9 -f- . <<EOF
         FROM quay.io/centos/centos:stream9
         RUN dnf update -y && dnf install -y \
-            python3 python3-pip sudo openssh-server curl \
+            python3 python3-pip sudo openssh-server --allowerasing \
             && dnf clean all
         RUN useradd -m -s /bin/bash testuser && \
             echo 'testuser ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers