update workflows to begin using v4 of the artifact actions. (#122)

Author: lihuanhuan

.github/workflows/build-classic1s.yml

@@ -47,7 +47,7 @@ jobs:
           ./legacy/script/hash.py -t firmware -f qa/classic1s.*Stable*.bin >> qa/hash.txt
 
       - name: "Upload Artifacts"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: firmware-classic1s-${{ github.sha }}
           path: |