Add explicit sig-type=arweave to deployment to fix GitHub Actions Invalid Data Item error

Author: dpshade

.github/workflows/deploy-arweave.yml

@@ -37,6 +37,7 @@ jobs:
             --arns-name=argo \
             --deploy-folder=dist \
             --ario-process=qNvAoz0TgcH7DMg8BCVn8jF32QH5L6T29VjHxhHqqGE \
-            --undername=@
+            --undername=@ \
+            --sig-type=arweave
         env:
           DEPLOY_KEY: ${{ secrets.DEPLOY_KEY }}