chore: fix goreleaser option and config to support goreleaser v2 (#118)

Fixed the release workflow.

https://github.com/owenrumney/squealer/actions/runs/9871356482/job/27259107572

```
/opt/hostedtoolcache/goreleaser-action/2.0.1/x64/goreleaser release --rm-dist
  ⨯ command failed                                   error=unknown flag: --rm-dist
Error: The process '/opt/hostedtoolcache/goreleaser-action/2.0.1/x64/goreleaser' failed with exit code 1
```

Author: suzuki-shunsuke

.github/workflows/releases.yml

@@ -28,6 +28,6 @@ jobs:
       uses: goreleaser/goreleaser-action@v2
       with: 
        version: latest
-       args: release --rm-dist
+       args: release --clean
       env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -1,3 +1,4 @@
+version: 2
 before:
   hooks:
     - go mod tidy