Upgrade pytest to latest version 7.1.2 (#1412)

Co-authored-by: Joris Bayer <[email protected]>

Author: cmanallen

requirements-dev.txt

@@ -7,7 +7,7 @@ msgpack==1.0.0
 pytest-localserver==0.5.0
 pytest-sentry==0.1.1
 pytest-xdist==1.31.0
-pytest==5.3.5
+pytest==7.1.2
 redis==3.4.1
 requests==2.23.0
 git+https://github.com/getsentry/sentry-python@e234998ae82a9cffa6fb3718801c55ba24a86bab#egg=sentry_sdk