chore: bump robinraju/release-downloader from 1.7 to 1.8 (#6245)

Bumps [robinraju/release-downloader](https://github.com/robinraju/release-downloader) from 1.7 to 1.8.
- [Release notes](https://github.com/robinraju/release-downloader/releases)
- [Commits](robinraju/release-downloader@v1.7...v1.8)

---
updated-dependencies:
- dependency-name: robinraju/release-downloader
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/publish.yaml

@@ -36,7 +36,7 @@ jobs:
           cache: "yarn"
 
       - name: Download npm package from release artifacts
-        uses: robinraju/release-downloader@v1.7
+        uses: robinraju/release-downloader@v1.8
         with:
           repository: "coder/code-server"
           tag: ${{ github.event.inputs.version || github.ref_name }}
@@ -184,7 +184,7 @@ jobs:
           echo "VERSION=${TAG#v}" >> $GITHUB_ENV
 
       - name: Download release artifacts
-        uses: robinraju/release-downloader@v1.7
+        uses: robinraju/release-downloader@v1.8
         with:
           repository: "coder/code-server"
           tag: v${{ env.VERSION }}