deps(dev): bump @libp2p/interface-mocks from 4.0.3 to 6.0.0 (#378)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -184,7 +184,7 @@
     "varint": "^6.0.0"
   },
   "devDependencies": {
-    "@libp2p/interface-mocks": "^4.0.3",
+    "@libp2p/interface-mocks": "^6.0.0",
     "@libp2p/peer-id-factory": "^1.0.18",
     "@libp2p/peer-store": "^3.1.4",
     "@types/lodash.random": "^3.2.6",