Remove omnibus and CNG issues from the Table of Fixes
Overview
Omnibus and CNG security fixes are often dependency updates, based on an external CVE. Historically they have not been included in the Table of Fixes.
Specifically what we want in this table is <code data-sourcepos="5:46-5:124">only vulnerabilities in GitLab assets that typically have a CVE and are patched</code>.
The safest way to start and likely account for the majority of these cases is to simply not list the omnibus and CNG issues in the Table of Fixes.
Proposal
Update the table to skip the issues from Omnibus and CNG: https://gitlab.com/gitlab-org/release-tools/-/blob/9df389609e5f4dee081b68addf5bd6656e6073b6/templates/blog_posts/security_release_blog_post_template.html.md.erb#L40-44