Bugfixes
- Avoid TypeError NoneType with lookups (2852) ssbarnea
- Add the missing github_branch meta field (2847) triplepoint
- name[template]: only trigger on word characters after the template (2836) evgeni
- Update documentation of `run_once` rule (2823) shatakshiiii
- Fix line number on var-naming error for 'register' (2840) zigarn
- Add SLES15SP4 to schema (2841) johanneskastl
- src/ansiblelint/schemas/meta.json: add openSUSE 15.5 (2842) johanneskastl
- Complete schema for Antsibull changelogs (2834) shatakshiiii