fix(sdk): use cross-fetch to avoid require() use errors (#143)

Author: nirga

package-lock.json

@@ -47,6 +47,7 @@
     "@traceloop/instrumentation-pinecone": "^0.5.19",
     "@traceloop/instrumentation-vertexai": "^0.5.19",
     "@types/nunjucks": "^3.2.5",
+    "cross-fetch": "^4.0.0",
     "fetch-retry": "^5.0.6",
     "nunjucks": "^3.2.4",
     "posthog-node": "^3.6.3",

packages/traceloop-sdk/package.json

@@ -1,5 +1,5 @@
 import { InitializeOptions } from "../interfaces";
-import fetch from "node-fetch";
+import fetch from "cross-fetch";
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const fetchRetry = require("fetch-retry")(fetch);