fix(db): add 0011_add_voice_transcription to drizzle journal

Migration SQL file existed but was never registered in _journal.json,
so Drizzle skipped it. Every voice recording insert failed with:
  PG code 42703: column "transcription" does not exist

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

services/discord-gateway/drizzle/migrations/meta/_journal.json

@@ -78,6 +78,13 @@
       "when": 1781390000000,
       "tag": "0010_add_reactions_and_edit_history",
       "breakpoints": true
+    },
+    {
+      "idx": 11,
+      "version": "7",
+      "when": 1781388000000,
+      "tag": "0011_add_voice_transcription",
+      "breakpoints": true
     }
   ]
 }