fo.PhpGenericServices undefined

`% go run github.com/gunk/gunk`
```
# github.com/gunk/gunk/generate
../../../../../go/pkg/mod/github.com/gunk/gunk@v0.12.1/generate/generate.go:1027:8: fo.PhpGenericServices undef
ined (type *descriptorpb.FileOptions has no field or method PhpGenericServices)
```
Go version: 1.22