Restore memory tag for linear catalog entry

Assisted-by: GitHub Copilot (model: claude-opus-4.8, autonomous)

Co-authored-by: mnriem <15701806+mnriem@users.noreply.github.com>

Author: Copilot

extensions/catalog.community.json

@@ -2311,6 +2311,7 @@
         "linear",
         "tasks-sync",
         "lifecycle-mirror",
+        "memory",
         "cross-repo"
       ],
       "verified": false,