fix: add explicit dependency on kubo-rpc-client (#212)

Author: nathanielc

package-lock.json

@@ -63,6 +63,7 @@
     "jest-resolver-enhanced": "^1.0.1",
     "key-did-provider-ed25519": "^2.0.1",
     "key-did-resolver": "^3.0.0",
+    "kubo-rpc-client": "^3.0.1",
     "node-config-ts": "^3.1.0",
     "node-jq": "^2.3.3",
     "rxjs": "^7.8.0",