ci(deps): bump actions/upload-artifact from 4 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v4...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -137,7 +137,7 @@ jobs:
         CGO_ENABLED=0 go build -ldflags "-s -w -X main.Version=$VERSION -X main.BuildTime=$(date -u '+%Y-%m-%d_%H:%M:%S')" -o dist/$BINARY_NAME ./cmd/devour
 
     - name: Upload build artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: devour-${{ matrix.goos }}-${{ matrix.goarch }}
         path: dist/