build(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] <support@github.com>

.github/workflows/setup.yml

@@ -76,7 +76,7 @@ jobs:
       # this permission is mandatory for trusted publishing
       id-token: write
     steps:
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         # unpacks default artifact into dist/
         # if `name: artifact` is omitted, the action will create extra parent dir
@@ -95,7 +95,7 @@ jobs:
       # this permission is mandatory for creating a release
       contents: write
     steps:
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         # unpacks default artifact into dist/
         # if `name: artifact` is omitted, the action will create extra parent dir