Streaming Wasm example does not run due to bug in fetch

[GJZwiers]

The code example at https://deno.land/[email protected]/webassembly/using_streaming_wasm#using-the-streaming-webassembly-apis throws an error in Deno versions 1.17+ due to a fetch/TLS bug described in https://github.com/denoland/deno/issues/13058.

error: Uncaught (in promise) Error: request or response body error: error reading a body from connection: unexpected end of file
    at async Object.pull (deno:ext/web/06_streams.js:684:29)