try fixing s3 upload

Author: UlyssesZh

.github/workflows/upload.yml

@@ -18,17 +18,15 @@ jobs:
           bundler-cache: true
 
       - name: Build
-        run: |
-          rake
-          ssc_path=$(ls build/*.ssc | head -n 1)
-          echo "ssc_path=$ssc_path" >> $GITHUB_ENV
-          echo "ssc_filename=$(basename "$ssc_path")" >> $GITHUB_ENV
+        run: rake
 
       - name: Upload
         env:
           AWS_ACCESS_KEY_ID: ${{ secrets.S3_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_SECRET_ACCESS_KEY }}
           AWS_DEFAULT_REGION: auto
         run: |
-          aws s3 cp "$ssc_path" "s3://${{ secrets.S3_BUCKET_NAME }}/chart/$ssc_filename" \
-            --endpoint-url "${{ secrets.S3_ENDPOINT }}"
+          filename="$(yq --raw-output '.project_name' .sscharter.yml).ssc"
+          build_dir="$(yq --raw-output '.build_dir' .sscharter.yml)"
+          aws s3 cp "$build_dir/$filename" "s3://${{ secrets.S3_BUCKET_NAME }}/chart/$filename" \
+            --endpoint-url "${{ secrets.S3_ENDPOINT }}" --acl private