keep old learning track name

content/code-security/guides.md

@@ -9,7 +9,7 @@ versions:
   ghae: '*'
   ghec: '*'
 learningTracks:
-  - repository_security_advisories
+  - security_advisories
   - dependabot_alerts
   - dependabot_security_updates
   - dependency_version_updates

data/learning-tracks/code-security.yml

@@ -1,5 +1,5 @@
 # Feature available only on dotcom
-repository_security_advisories:
+security_advisories:
   title: 'Fix and disclose a security vulnerability'
   description: 'Using repository security advisories to privately fix a reported vulnerability and get a CVE.'
   featured_track: '{% ifversion fpt %}true{% else %}false{% endif %}'