Bump pytest from 6.2.3 to 6.2.4 (#710)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.3 to 6.2.4.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.3...6.2.4)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements-test.txt

@@ -2,7 +2,7 @@
 
 -r requirements.txt
 -r requirements-watcher.txt
-pytest==6.2.3
+pytest==6.2.4
 coverage==5.5
 pandas==1.2.4
 seaborn==0.11.1