Merge branch 'mw-add-mappings-to-direct-transfer-import-stats' into 'master'

Add mappings for Vulnerabilities and Commit Notes to Direct Transfer import stats

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/176113



Merged-by: Justin Ho Tuan Duong <hduong@gitlab.com>
Approved-by: Justin Ho Tuan Duong <hduong@gitlab.com>
Reviewed-by: Justin Ho Tuan Duong <hduong@gitlab.com>
Co-authored-by: Martin Wortschack <mwortschack@gitlab.com>