add artifact upload/download

Author: jeffjennings

.github/workflows/deploy.yaml

@@ -83,6 +83,12 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public
 
+      - name: Upload site for indexing
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        with:
+          name: site-for-indexing
+          path: ./public          
+
   index:
     # this job effectively tests the indexing before the next job that
     # clears it (so that the site doesn't end up empty if the indexing fails)
@@ -92,6 +98,12 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
 
+      - name: Download site for indexing
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
+        with:
+          name: site-for-indexing
+          path: ./public
+                
       - name: Set up Python
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065  # v5.6.0
         with: