Support scanning Ubuntu using Gost (#1243)

* chore: add vuls binary in gitignore

* feat(gost): support ubuntu

* chore(debian): fix typo

* feat(ubuntu): more detail on CveContent

* chore: update .gitignore

* chore: update gost deps

* feat(ubuntu): add test in gost/ubuntu

* chore: fix typo

* Revert "chore: fix typo"

This reverts commit 9f2f1db233.

* docs: update README

README.md

@@ -71,6 +71,7 @@ Vuls is a tool created to solve the problems listed above. It has the following
   - [Alpine-secdb](https://git.alpinelinux.org/cgit/alpine-secdb/)
   - [Red Hat Security Advisories](https://access.redhat.com/security/security-updates/)
   - [Debian Security Bug Tracker](https://security-tracker.debian.org/tracker/)
+  - [Ubuntu CVE Tracker](https://people.canonical.com/~ubuntu-security/cve/)
 
 - Commands(yum, zypper, pkg-audit)
   - RHSA / ALAS / ELSA / FreeBSD-SA