Merge branch 'replace-yaml-errors-header' into 'master'

Replaces yamlErrorMessags with errorMessages in headerbadges

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/179045



Merged-by: Avielle Wolfe <awolfe@gitlab.com>
Approved-by: Briley Sandlin <bsandlin@gitlab.com>
Approved-by: Avielle Wolfe <awolfe@gitlab.com>
Co-authored-by: Laura Montemayor <lmontemayor@gitlab.com>