chore: update libp2p-crypto

libp2p-crypto@0.20.0 uses noble-secp256k1 and noble-ed25519 which
are smaller and faster than the version in https://www.npmjs.com/package/secp256k1

This PR updates the dep so we don't pull in 0.19.x and 0.20.x in
consuming bundles.

package.json

@@ -56,8 +56,8 @@
     "it-pair": "^1.0.0",
     "it-pb-rpc": "^0.1.11",
     "it-pipe": "^1.1.0",
-    "libp2p-crypto": "^0.19.7",
-    "peer-id": "^0.15.3",
+    "libp2p-crypto": "^0.20.0",
+    "peer-id": "^0.15.4",
     "protobufjs": "^6.11.2",
     "uint8arrays": "^3.0.0"
   },