fix: use --skip=build for merge and capture full dist/ directory

- Change merge mode to use 'release --skip=build' since binaries are pre-built
- Upload full dist/ directory, not just files with extensions
- This ensures binary directories are preserved across the artifact upload/download

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.github/actions/goreleaser/action.yml

@@ -63,6 +63,6 @@ runs:
       with:
         distribution: goreleaser
         version: "~> v2"
-        args: release --clean
+        args: release --skip=build
       env:
         GITHUB_TOKEN: ${{ inputs.github-token }}

.github/workflows/go-release-cgo.yaml

@@ -165,7 +165,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: release-${{ matrix.platform }}
-          path: dist/*.*
+          path: dist/
           retention-days: 1
 
   release: