Use checkout@v4 / upload@v4 for docs build (#2322)

Co-authored-by: Joe Cummings <[email protected]>

Author: joecummings

.github/workflows/build_docs.yaml

@@ -28,7 +28,7 @@ jobs:
         python-version: ['3.11']
     steps:
       - name: Check out repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup conda env
         uses: conda-incubator/setup-miniconda@v2
         with:
@@ -50,7 +50,7 @@ jobs:
         run: |
           cd docs
           make html
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: Built-Docs
           path: docs/build/html/
@@ -61,9 +61,9 @@ jobs:
     if: ${{ github.repository_owner == 'pytorch' && github.event_name == 'pull_request' }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Download artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: Built-Docs
           path: docs
@@ -87,12 +87,12 @@ jobs:
     environment: ${{ (github.ref == 'refs/heads/main' || startsWith(github.event.ref, 'refs/tags/v')) && 'docs-push' || '' }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
           persist-credentials: false
       - name: Download artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: Built-Docs
           path: docs