Update pylint-pytest version to 2.0.0a1

This fixes compat w/ pylint v4: pylint-dev/pylint-pytest#129.

Author: webknjaz

.pre-commit-config.yaml

@@ -326,7 +326,7 @@ repos:
     - jaraco.text
     - more_itertools
     - portend
-    - pylint-pytest ~= 2.0.0a0
+    - pylint-pytest ~= 2.0.0a1
     - pyOpenSSL  # needed by pylint-pytest since it picks up pytest's args
     - pypytools
     - pytest-cov  # needed by pylint-pytest since it picks up pytest's args