fix ci test error

[yxxhero]

Signed-off-by: yxxhero aiopsclub@163.com

fix ci test error

make build build-test-tools
  shell: /usr/bin/bash -e {0}
  env:
    GOROOT: /opt/hostedtoolcache/go/1.18.[3](https://github.com/helmfile/helmfile/runs/6953513978?check_suite_focus=true#step:6:3)/x6[4](https://github.com/helmfile/helmfile/runs/6953513978?check_suite_focus=true#step:6:4)
fatal: No names found, cannot describe anything.
go build -ldflags '-X github.com/helmfile/helmfile/pkg/app/version.Version=' 
go build test/diff-yamls/diff-yamls.go
go build test/yamldiff/yamldiff.go

version is nil

[mumoshu]

Ah, good catch! It's much better now. Thanks.

(Ideally, this should be something like 0.144.0+dirty or 0.144.0+unreleased or anything that isn't exactly the same as the latest, already-released helmfile version but that might be just a nice-to-have