Update label directory

Author: HackforLABot

github-actions/utils/_data/label-directory.json

@@ -842,5 +842,9 @@
   "NEW-skillFeasability": [
     "Skill: feasability",
     8273643490
+  ],
+  "NEW-langMd": [
+    "Lang: .md",
+    8273660695
   ]
 }