lib: enforce use of trailing commas for functions

PR-URL: #46629
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>

Author: aduh95

lib/.eslintrc.yaml

@@ -5,7 +5,7 @@ rules:
   comma-dangle: [error, {
     arrays: always-multiline,
     exports: always-multiline,
-    functions: only-multiline,
+    functions: always-multiline,
     imports: always-multiline,
     objects: only-multiline,
   }]

lib/_http_agent.js

@@ -396,7 +396,7 @@ function installListeners(agent, s, options) {
     // TODO(ronag): Always destroy, even if not in free list.
     const sockets = agent.freeSockets;
     if (ArrayPrototypeSome(ObjectKeys(sockets), (name) =>
-      ArrayPrototypeIncludes(sockets[name], s)
+      ArrayPrototypeIncludes(sockets[name], s),
     )) {
       return s.destroy();
     }