build(deps): bump dawidd6/action-download-artifact from 16 to 18 (#787)

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 16 to 18.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v16...v18)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-version: '18'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/nodejs.yml

@@ -105,7 +105,7 @@ jobs:
 
     - name: Download aw-server-rust nightly
       if: ${{ matrix.aw-server == 'aw-server-rust' && matrix.aw-version == 'master' }}
-      uses: dawidd6/action-download-artifact@v16
+      uses: dawidd6/action-download-artifact@v18
       with:
         repo: ActivityWatch/aw-server-rust
         # Required, workflow file name or ID