Bump actions/download-artifact from 3 to 4

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/main.yml

@@ -43,7 +43,7 @@ jobs:
     if: "startsWith(github.event.head_commit.message, 'Release')"
     steps:
       - name: Get artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
       - name: Get version from commit
         run: echo "VERSION=$(echo ${{ github.event.commits[0].message }} | awk '{print $2}')" >> $GITHUB_ENV
       - name: Release public builds