Enable feature flag by default

Enable the `new_vulnerability_form` feature flag by default. This
allows to submit a new vulnerability finding manually through the UI.
Visit the Project level Vulnerability Report to access the form.

Changelog: added
EE: true

config/feature_flags/development/new_vulnerability_form.yml

@@ -5,4 +5,4 @@ rollout_issue_url:
 milestone: '14.9'
 type: development
 group: group::threat insights
-default_enabled: false
+default_enabled: true

doc/user/application_security/vulnerability_report/index.md

@@ -222,12 +222,8 @@ To undo this action, select a different status from the same menu.
 
 ## Manually add a vulnerability finding
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/301003) in GitLab 14.9. Disabled by default.
-
-FLAG:
-This feature is not enabled by default. To make it available, ask an administrator to
-[enable the feature flag](../../feature_flags.md) named `new_vulnerability_form`.
-On GitLab.com, this feature is not yet available.
+> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/301003) in GitLab 14.9. Disabled by default.
+> - [Enabled on GitLab.com](https://gitlab.com/gitlab-org/gitlab/-/issues/353796) in GitLab 14.10.
 
 To add a new vulnerability finding from your project level Vulnerability Report page: