Bump virtualenv from 20.0.35 to 20.1.0

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.0.35 to 20.1.0.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/20.1.0/docs/changelog.rst)
- [Commits](https://github.com/pypa/virtualenv/compare/20.0.35...20.1.0)

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

automated_detection_testing/requirements.txt

@@ -66,7 +66,7 @@ tabulate==0.8.7
 termcolor==1.1.0
 toml==0.10.0
 urllib3==1.25.11
-virtualenv==20.0.35
+virtualenv==20.1.0
 wcwidth==0.2.5
 wget==3.2
 wrapt==1.12.1

requirements.txt

@@ -38,5 +38,5 @@ taxii2-client==2.2.2
 toml==0.10.1
 typing==3.7.4.3
 urllib3==1.25.11
-virtualenv==20.0.35
+virtualenv==20.1.0
 zipp==3.3.2