feat: Migrate to GH advisories endpoint

Relates to https://gitlab.eclipse.org/eclipsefdn/it/api/eclipsefdn-cve-api/-/issues/33

config/application/secret.properties.sample

-eclipse.gitlab.cve-project.token=sample
-eclipse.gitlab.cve-project.project-id=sample
-eclipse.gitlab.cve-project.file-path=sample
-eclipse.gitlab.cve-project.ref=sample
+# Advisories configs - CVEs from GL
+eclipse.cve.advisories-internal.gitlab-token=
+eclipse.cve.advisories-internal.gitlab-project-id=
+eclipse.cve.advisories-internal.file-path=
+eclipse.cve.advisories-internal.branch-name=
 
-eclipse.github.cve-project.token=sample
\ No newline at end of file
+# Cve definitions configs - CVEs from GH
+eclipse.cve.github.github-token=
\ No newline at end of file