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/update-build-tools.yml

@@ -121,22 +121,22 @@ jobs:
           rm -f scripts/common/cpanfile.snapshot
 
       - name: download cpanfile.snapshot for linux
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: cpanfile.snapshot-linux
           path: scripts/linux
       - name: download cpanfile.snapshot for darwin
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: cpanfile.snapshot-darwin
           path: scripts/darwin
       - name: download cpanfile.snapshot for windows
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: cpanfile.snapshot-windows
           path: scripts/windows
       - name: download cpanfile.snapshot for any-platform
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: cpanfile.snapshot-common
           path: scripts/common