Server startup error under Deno 1.28.3

Running the `serve` task produces the following error using Deno 1.28.3 on Ubuntu 22.04:
```
craig@craig-G750JX:~/git/deno/react18-with-deno$ deno task serve
Task serve deno run --allow-read --allow-net --allow-run --allow-write --no-check main.ts
✘ [ERROR] Cannot start service: Host version "0.15.12" does not match binary version "0.16.4"

1 error
exit code: 1
error: Top-level await promise never resolved
const output = await esbuild.default.build({
^
at (file:///home/craig/git/deno/react18-with-deno/main.ts:8:16)
```