fix(libp2p): move delay dep to production dependencies (#1977)

It's used by DCUtR

Author: achingbrain

packages/libp2p/package.json

@@ -138,6 +138,7 @@
     "abortable-iterator": "^5.0.1",
     "any-signal": "^4.1.1",
     "datastore-core": "^9.0.1",
+    "delay": "^6.0.0",
     "interface-datastore": "^8.2.0",
     "it-all": "^3.0.2",
     "it-drain": "^3.0.2",
@@ -182,7 +183,6 @@
     "@libp2p/websockets": "^7.0.4",
     "@types/xsalsa20": "^1.1.0",
     "aegir": "^40.0.8",
-    "delay": "^6.0.0",
     "execa": "^7.1.1",
     "go-libp2p": "^1.1.1",
     "it-pushable": "^3.2.0",