Enable github actions parsable format (ansible#926)

Co-authored-by: Sviatoslav Sydorenko <[email protected]>

Avoid failure with playbooks having tasks key a null value (ansible#899)

v4.3.0a0

Diff: https://github.com/ansible/ansible-lint/compare/v4.2.0..03ff8ea

Update version to v4.2.0 (ansible#638)

Fix rule skipping in pre and post task include plays (ansible#641)

Update roadmap

Signed-off-by: Andrew Crosby <[email protected]>