Bump actions/download-artifact from 4 to 5

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/check-build-system-equivalence.yaml

@@ -122,11 +122,11 @@ jobs:
         otp-version: ${{ env.erlang_version }}
         elixir-version: ${{ env.elixir_version }}
     - name: DOWNLOAD bazel-package-generic-unix.tar.xz
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v5
       with:
         name: bazel-package-generic-unix-${{ env.VERSION }}.tar.xz
     - name: DOWNLOAD make-package-generic-unix.tar.xz
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v5
       with:
         name: make-package-generic-unix-${{ env.VERSION }}.tar.xz
     - name: EXPAND & COMPARE

.github/workflows/oci-make.yaml

@@ -67,7 +67,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Download package-generic-unix
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: package-generic-unix
           path: PACKAGES
@@ -130,7 +130,7 @@ jobs:
     if: ${{ needs.build-package-generic-unix.outputs.authorized }} == 'true'
     steps:
       - name: Download digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: /tmp/digests
           pattern: digests-*