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/prbuild.yaml

@@ -142,7 +142,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Download image
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: image
           path: image
@@ -204,7 +204,7 @@ jobs:
           # recent release tag.
           fetch-depth: 0
       - name: Download image
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: image
           path: image
@@ -336,7 +336,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Download image
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: image
           path: image