Update junitparser requirement from <2.0.0 to <4.0.0

Updates the requirements on [junitparser](https://github.com/weiwei/junitparser) to permit the latest version.
- [Changelog](https://github.com/weiwei/junitparser/blob/master/CHANGELOG.md)
- [Commits](weiwei/junitparser@0.9...3.2.0)

---
updated-dependencies:
- dependency-name: junitparser
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -2,5 +2,5 @@ requests>=2.13.0
 jsonmerge
 six
 pydash
-junitparser<2.0.0
+junitparser<4.0.0
 urllib3>=1.26.0,<2

setup.py

@@ -74,7 +74,7 @@ def run(self):
           "jsonmerge",
           "six",
           "pydash",
-          "junitparser<2.0.0"
+          "junitparser<4.0.0"
       ],
       classifiers=[
           "Programming Language :: Python :: 3.8",