pre-commit: autoupdate hook versions (#5280)

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

Author: github-actions[bot]

.pre-commit-config.yaml

@@ -13,15 +13,15 @@ repos:
       - id: isort
   # https://github.com/python/black#version-control-integration
   - repo: https://github.com/psf/black
-    rev: 21.4b2
+    rev: 21.5b0
     hooks:
       - id: black
   - repo: https://github.com/keewis/blackdoc
     rev: v0.3.3
     hooks:
       - id: blackdoc
   - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.9.1
+    rev: 3.9.2
     hooks:
       - id: flake8
   # - repo: https://github.com/Carreau/velin