Merge branch 'lc-okr-docs-dora' into 'master'

FY26Q1 TW KR1: Add overview to DORA docs

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/182744



Merged-by: Suzanne Selhorn <sselhorn@gitlab.com>
Reviewed-by: Lorena Ciutacu <lciutacu@gitlab.com>
Co-authored-by: Lorena Ciutacu <lciutacu@gitlab.com>