build(deps): bump actions/download-artifact from 4 to 6 (#1876)

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

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/npm_release.yml

@@ -164,7 +164,7 @@ jobs:
         with:
           node-version: 22
           registry-url: "https://registry.npmjs.org"
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
         with:
           name: npm-package
           path: dist
@@ -199,11 +199,11 @@ jobs:
           node-version: 22
       - name: Setup
         run: npm install
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
         with:
           name: npm-package
           path: dist
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
         with:
           name: debug-symbols
           path: dist/debug-symbols