chore: downgrade dep

Author: achingbrain

packages/transport-memory/package.json

@@ -48,7 +48,7 @@
     "@libp2p/utils": "^7.0.7",
     "@multiformats/multiaddr": "^13.0.1",
     "@multiformats/multiaddr-matcher": "^3.0.1",
-    "@types/sinon": "^20.0.4",
+    "@types/sinon": "^20.0.0",
     "delay": "^7.0.0",
     "it-map": "^3.1.4",
     "it-pushable": "^3.2.3",