chore(Types): include @discordjs/voice typings (#5941)

Co-authored-by: Noel <buechler.noel@outlook.com>

.github/workflows/publish-dev.yml

@@ -18,7 +18,8 @@ jobs:
           registry-url: https://registry.npmjs.org/
 
       - name: Install dependencies
-        run: npm ci --ignore-scripts
+        # Remove --no-optional after Node 16 upgrade
+        run: npm ci --ignore-scripts --no-optional
 
       - name: Publish
         run: |