update CICD workflows

Remove support for `debian-stretch` and updates for molecule v5

Merge pull request #5 from darkwizard242/feature/refactoring

remove centos-7 from build-and-test matrix

remove ubuntu-18.04 from build-and-test matrix

remove debian-stretch from build-and-test matrix

bump default role version var to 18.x

bump doc version var to 18.x

set FQMN for EL family

set FQMN for Debian family

set FQMN for entrypoint

set default molecule distro to jammy

update supported platforms in roles metadata

update action versions for release workflow

update action versions for build-and-test workflow