fix: resolve Docker build failure in release pipeline

- Create Dockerfile.goreleaser for GoReleaser with pre-built binary
- Update .goreleaser.yaml to use correct dockerfile for Docker builds
- Fix archive format deprecation warnings
- Prepare for successful v0.0.5 re-release

Author: goosewin

.goreleaser.yaml

@@ -42,6 +42,8 @@ archives:
       {{- else if eq .Arch "386" }}i386
       {{- else }}{{ .Arch }}{{ end }}
       {{- if .Arm }}v{{ .Arm }}{{ end }}
+    format: tar.gz
+    wrap_in_directory: false
     format_overrides:
       - goos: windows
         format: zip
@@ -156,7 +158,7 @@ dockers:
       - "ghcr.io/vapiai/cli:v{{ .Major }}"
       - "ghcr.io/vapiai/cli:v{{ .Major }}.{{ .Minor }}"
       - "ghcr.io/vapiai/cli:latest"
-    dockerfile: Dockerfile
+    dockerfile: Dockerfile.goreleaser
     build_flag_templates:
       - "--pull"
       - "--label=org.opencontainers.image.created={{.Date}}"