add .exe to win binary

Author: asahasrabuddhe

.github/workflows/gfmrun.yml

@@ -91,5 +91,5 @@ jobs:
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
           asset_path: ./gfmrun-windows-amd64-${{ steps.extract_version.outputs.VERSION }}.exe
-          asset_name: gfmrun-win-amd64-${{ steps.extract_version.outputs.VERSION }}
+          asset_name: gfmrun-win-amd64-${{ steps.extract_version.outputs.VERSION }}.exe
           asset_content_type: application/octet-stream