artifact actions v3 is depricatred (pytorch#2716)

Summary:

https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

updating artifact actions to v4

Differential Revision: D68931905

Author: aliafzal

Diff for: .github/workflows/build_dynamic_embedding_wheels.yml

@@ -55,6 +55,6 @@ jobs:
         shell: bash
 
       - name: Upload wheels
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: wheelhouse/*.whl

Diff for: .github/workflows/docs.yml

@@ -83,7 +83,7 @@ jobs:
         conda run -n build_binary make html
         cd ..
     - name: Upload Built-Docs
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: Built-Docs
         path: docs/build/html/
@@ -105,7 +105,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Download artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: Built-Docs
           path: docs