Bump robinraju/release-downloader from 1.12 to 1.13

Bumps [robinraju/release-downloader](https://github.com/robinraju/release-downloader) from 1.12 to 1.13.
- [Release notes](https://github.com/robinraju/release-downloader/releases)
- [Commits](robinraju/release-downloader@v1.12...v1.13)

---
updated-dependencies:
- dependency-name: robinraju/release-downloader
  dependency-version: '1.13'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/fuzz.yml

@@ -21,7 +21,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: sbt 'fuzz / assembly'
     - name: Download Jazzer
-      uses: robinraju/release-downloader@v1.12
+      uses: robinraju/release-downloader@v1.13
       with:
         repository: CodeIntelligenceTesting/jazzer
         latest: true