fix(discord): harden voice DAVE receive reliability (#25861)

Reimplements and consolidates related work:
- #24339 stale disconnect/destroyed session guards
- #25312 voice listener cleanup on stop
- #23036 restore @snazzah/davey runtime dependency

Adds Discord voice DAVE config passthrough, repeated decrypt failure
rejoin recovery, regression tests, docs, and changelog updates.

Co-authored-by: Frank Yang <frank.ekn@gmail.com>
Co-authored-by: Do Cao Hieu <admin@docaohieu.com>

package.json

@@ -159,6 +159,7 @@
     "@sinclair/typebox": "0.34.48",
     "@slack/bolt": "^4.6.0",
     "@slack/web-api": "^7.14.1",
+    "@snazzah/davey": "^0.1.9",
     "@whiskeysockets/baileys": "7.0.0-rc.9",
     "ajv": "^8.18.0",
     "chalk": "^5.6.2",