fix bug:unexpected EOF while looking for matching `"'

Author: JavaProgrammerLB

Diff for: .github/workflows/convert_tool.yaml

@@ -20,7 +20,7 @@ jobs:
       - name: Build archive
         shell: bash
         run: >
-          staging="jxl_file-${{ github.event.release.tag_name }}
+          staging="jxl_file-${{ github.event.release.tag_name }}"
 
           mkdir "$staging"