fix: disable debian:forky build in Jenkinsfile(s)

Forky is still unstable/research-only. The full Debian package
ecosystem is not yet available for Forky, causing cascading
unmet dependency failures. Re-enable once the full stack builds
cleanly for Forky.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Vitexus

debian/Jenkinsfile

@@ -5,7 +5,9 @@
 String[] distributions = [
     'debian:bookworm',
     'debian:trixie',
-    'debian:forky',
+    // 'debian:forky', // Disabled: Forky is still unstable/research-only.
+    //                 // The full Debian package ecosystem is not yet available for Forky.
+    //                 // Re-enable once the stack builds cleanly for Forky.
     'ubuntu:jammy',
     'ubuntu:noble', 
     'ubuntu:resolute'