Can't connect by Deno

I tried this programm with Node and weaviate-client 3.5.2

import weaviate from 'weaviate-client';

async function connectToLocalWeaviate() {
  const client = await weaviate.connectToLocal();
  console.log("hello");
}

connectToLocalWeaviate();

and it succeeds like:

$ node test.js
hello

I tried the similar programm with Deno (adding npm:-specifier)

import weaviate from 'npm:weaviate-client';

async function connectToLocalWeaviate() {
  const client = await weaviate.connectToLocal();
  console.log("hello");
}

connectToLocalWeaviate();

and It fails with:

$ deno run --allow-all test.js
error: Uncaught (in promise) WeaviateStartUpError: Weaviate startup failed with message: Weaviate failed to startup with message: Weaviate makes use of a high-speed gRPC API as well as a REST API.
      Unfortunately, the gRPC health check against Weaviate could not be completed.

      This error could be due to one of several reasons:
        - The gRPC traffic at the specified port is blocked by a firewall.
        - gRPC is not enabled or incorrectly configured on the server or the client.
            - Please check that the server address and port: localhost:50051 are correct.
        - your connection is unstable or has a high latency. In this case you can:
            - increase init-timeout in weaviate.connectToLocal({timeout: {init: X}})'
            - disable startup checks by connecting using 'skipInitChecks=true'

Any idea? Is it a Deno problem?
Both ports (8080 and 50051) are port forwarded from a kubernetes cluster.

Start with the weaviate.connectToLocal entry point and reproduce the TypeScript example under Deno using the npm: specifier, with ports 8080 and 50051 forwarded from Kubernetes. Compare the Node and Deno connection paths and gRPC health-check behavior; done means the Deno example connects successfully or the incompatibility and required configuration are documented.