Update junitparser to 2.1.1

[pyup-bot]

This PR updates junitparser from 2.0.0 to 2.1.1.

Changelog

2.1.1

Fixed
- CLI broken due to a quotation mark.

2.1.0

Fixed
- Should not have used default sys locale to parse numbers. Thanks to EnricoMi

Added
- Merge parameter enhancement: output to console if output file name is set to "-"
- Support testcase tags inside testcase tags. Thanks to EnricoMi

Links

• PyPI: https://pypi.org/project/junitparser
• Changelog: https://pyup.io/changelogs/junitparser/
• Repo: https://github.com/weiwei/junitparser