chore: upgrade actions/upload-artifact to v4

Author: QiuZhiFei

.github/workflows/jazzy.yml

@@ -12,7 +12,7 @@ jobs:
     container:
       image: norionomura/jazzy:latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: ENV
       run: |
         uname -a
@@ -26,7 +26,7 @@ jobs:
     - name: Run jazzy
       run: |
         jazzy --clean --sourcekitten-sourcefile commands.json
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v4
       with:
         name: API Docs
         path: docs