chore(deps): bump actions/download-artifact in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 2 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v2...v4.1.7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
...

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

.github/workflows/builder-image.yml

@@ -75,7 +75,7 @@ jobs:
       - build
     steps:
       - name: Download digests
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4.1.7
         with:
           name: digests
           path: /tmp/digests

.github/workflows/multiarch-build.yml

@@ -64,13 +64,13 @@ jobs:
         run: |
           echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\/v/}
           echo ::set-output name=TAG::${GITHUB_REF/refs\/tags\//}
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: yay_x86_64
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: yay_armv7h
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: yay_aarch64
       - name: Create Release