bump download-artifacts4

Author: Yuangwang

.github/workflows/test.yml

@@ -89,7 +89,7 @@ jobs:
           path: ~/.cache/firebase/emulators
           key: firebase_emulators
       - name: Download Artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
       - name: Rsync Artifacts
         run: rsync -a artifact/ packages
       - name: Test
@@ -146,7 +146,7 @@ jobs:
           check-latest: false
           registry-url: "https://registry.npmjs.org"
       - name: "Download Artifacts"
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
       - name: Rsync Artifacts
         run: rsync -a artifact/ packages
       - name: Publish