Merge branch '370818-file-line-blame-release' into 'master'

Turn file_line_blame FF on

See merge request gitlab-org/gitlab!112459



Merged-by: Jacques Erasmus <jerasmus@gitlab.com>
Approved-by: Jacques Erasmus <jerasmus@gitlab.com>
Co-authored-by: Nataliia Radina <nradina@gitlab.com>

config/feature_flags/development/file_line_blame.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/370818
 milestone: '15.3'
 type: development
 group: group::source code
-default_enabled: false
+default_enabled: true