chore: Update nbQA in pre-commit (#1190)

* [pre-commit.ci] pre-commit autoupdate
   - Update nbQA to v0.5.0

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -9,7 +9,7 @@ repos:
     - id: pyupgrade
       args: ["--py36-plus"]
 -   repo: https://github.com/nbQA-dev/nbQA
-    rev: 0.4.1
+    rev: 0.5.0
     hooks:
     - id: nbqa-black
       additional_dependencies: [black==20.8b1]