Merge branch 'eread/fix-link-fragment-in-runner-configuration-documentation' into 'master'

Fix link fragment in runner configuration documentation

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/166823



Merged-by: Roshni Sarangadharan <rsarangadharan@gitlab.com>
Co-authored-by: Evan Read <eread@gitlab.com>