chore(deps): 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/draft-release.yml

@@ -104,7 +104,7 @@ jobs:
             type=sha,prefix=${{ steps.prep.outputs.branch_name }}-,suffix=-${{ steps.prep.outputs.ts }}
             type=ref,event=branch
             type=ref,event=tag
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: interbtc
           path: target/release/
@@ -130,7 +130,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           path: artifacts