DEV: Add `discourse-staff-alias` to official plugin list.

DEV: Add discourse-staff-alias to official plugin list.

diff --git a/lib/plugin/metadata.rb b/lib/plugin/metadata.rb
index 597c974..07072f7 100644
--- a/lib/plugin/metadata.rb
+++ b/lib/plugin/metadata.rb
@@ -75,7 +75,8 @@ class Plugin::Metadata
     "lazy-yt",
     "poll",
     "discourse-unsupported-browser",
-    "discourse-fontawesome-pro"
+    "discourse-fontawesome-pro",
+    "discourse-staff-alias",
   ])
 
   FIELDS ||= [:name, :about, :version, :authors, :url, :required_version, :transpile_js]

GitHub sha: 6491db57