I was getting the following error when running `ftl-go`...

```
info: Pushing local FTL module "ad"
info: Building module ad in /Users/wesbillman/Library/Caches/ftl-go/build/ad-a0d068832a8b4331729503bc1487189ff31fdc8a2c99703331c96bb1fc30ee00
info: go: module ../../../../../dev/ftl/examples/online-boutique listed in go.work file requires go >= 1.21.3, but go.work lists go 1.21.0; to update it:
info: 	go work use
```