Bump pytest from 5.3.1 to 6.0.1 in /news (microsoft#13696)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 5.3.1 to 6.0.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@5.3.1...6.0.1)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

news/requirements.txt

@@ -4,17 +4,14 @@
 #
 #    pip-compile
 #
-atomicwrites==1.3.0       # via pytest
 attrs==19.3.0             # via pytest
-colorama==0.4.1           # via pytest
-docopt==0.6.2
-importlib-metadata==1.1.0  # via pluggy, pytest
-more-itertools==8.0.0     # via pytest, zipp
+docopt==0.6.2             # via -r requirements.in
+iniconfig==1.0.1          # via pytest
+more-itertools==8.0.0     # via pytest
 packaging==19.2           # via pytest
 pluggy==0.13.1            # via pytest
-py==1.8.0                 # via pytest
+py==1.9.0                 # via pytest
 pyparsing==2.4.5          # via packaging
-pytest==5.3.1
+pytest==6.0.1             # via -r requirements.in
 six==1.13.0               # via packaging
-wcwidth==0.1.7            # via pytest
-zipp==0.6.0               # via importlib-metadata
+toml==0.10.1              # via pytest