Optimize cold source health probes

08-threat-intel/generated/dashboard/docs/source-map.html

@@ -2316,6 +2316,9 @@ systems:
         advisory_mode: core
         keywords: [security release, gitlab]
         max_items: 50
+        status: retired
+        retired_reason: GitLab Security Releases Atom is the official machine-readable replacement; keeping both active adds duplicate cold-start cost without added coverage.
+        replacement_sources: [GitLab Security Releases Atom]
       - name: GitLab Security Releases Atom
         kind: atom-feed
         url: https://about.gitlab.com/security-releases.xml
@@ -2363,6 +2366,9 @@ systems:
         advisory_mode: core
         keywords: [jenkins]
         max_items: 60
+        status: retired
+        retired_reason: Jenkins Security Advisories RSS is the official machine-readable replacement; keeping both active adds duplicate cold-start cost without added coverage.
+        replacement_sources: [Jenkins Security Advisories RSS]
       - name: Jenkins Security Advisories RSS
         kind: rss-feed
         url: https://www.jenkins.io/security/advisories/rss.xml
@@ -2434,6 +2440,9 @@ systems:
         advisory_mode: core
         keywords: [kibana, elastic, security]
         max_items: 60
+        status: retired
+        retired_reason: Elastic Security Announcements RSS is the official machine-readable replacement; keeping both active adds duplicate cold-start cost without added coverage.
+        replacement_sources: [Elastic Security Announcements RSS]
       - name: Elastic Security Announcements RSS
         kind: rss-feed
         url: https://discuss.elastic.co/c/announcements/security-announcements/31.rss