chore: bump actions/download-artifact from 4 to 5 (#54612)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/site-deploy.yml

@@ -63,7 +63,7 @@ jobs:
       - uses: oven-sh/setup-bun@v2
 
       - name: download site artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: real-site
           path: _site
@@ -105,7 +105,7 @@ jobs:
     needs: build-site
     steps:
       - name: download site artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: real-site
           path: _site

.github/workflows/test-v6.yml

@@ -123,7 +123,7 @@ jobs:
       - uses: oven-sh/setup-bun@v2
       - run: bun install
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           pattern: coverage-artifacts-*
           merge-multiple: true

.github/workflows/test.yml

@@ -126,7 +126,7 @@ jobs:
       - uses: oven-sh/setup-bun@v2
       - run: bun install
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           pattern: coverage-artifacts-*
           merge-multiple: true

.github/workflows/visual-regression-diff-build.yml

@@ -54,7 +54,7 @@ jobs:
       - uses: oven-sh/setup-bun@v2
       - run: bun install
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           pattern: snapshot-artifacts-*
           merge-multiple: true