Merge branch 't33834-improve-ci-robustness' into 'master'

.devcontainer/Dockerfile

.devcontainer/Dockerfile.root

.devcontainer/devcontainer.json

.devcontainer/docker-compose.yml

.docker/Dockerfile

.editorconfig

.gitlab-ci.yml

.lint/ansible-apt-block-check.sh

.lint/ansible-lint.conf

.lint/flake8.conf

.lint/yamllint.conf

Makefile

README.md

ansible/molecule/default/Dockerfile.j2

ansible/molecule/default/converge.yml

ansible/molecule/default/molecule.yml

ansible/molecule/mediaserver-ha/converge.yml

ansible/molecule/pf-ha/converge.yml

ansible/molecule/pf-ha/molecule.yml

ansible/molecule/pf-ha/tests/commons.py