[CI] Add SHA256 checksum for binary uploads to S3

This ensures binary uploads to S3 attaches a SHA256 checksum.

Author: abn

.github/actions/binary-upload/action.yml

@@ -43,5 +43,5 @@ runs:
           | jq -r '.value' > "${AWS_WEB_IDENTITY_TOKEN_FILE}"
 
         for pkg in dist/*; do
-          aws s3 cp "$pkg" "${PYTORCH_S3_BUCKET_PATH}" --acl public-read
+          aws s3 cp "$pkg" "${PYTORCH_S3_BUCKET_PATH}" --acl public-read --checksum-algorithm SHA256
         done

.github/workflows/_binary_upload.yml

@@ -117,7 +117,7 @@ jobs:
           fi
 
           for pkg in dist/*; do
-            ${AWS_CMD} "$pkg" "${PYTORCH_S3_BUCKET_PATH}" --acl public-read
+            ${AWS_CMD} "$pkg" "${PYTORCH_S3_BUCKET_PATH}" --acl public-read --checksum-algorithm SHA256
           done
 
       - name: Upload package to pypi