[pre-commit.ci] pre-commit autoupdate (#77)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -17,7 +17,7 @@ repos:
     - id: trailing-whitespace
 
   - repo: https://github.com/mgedmin/check-manifest
-    rev: "0.46"
+    rev: "0.47"
     hooks:
     - id: check-manifest
       args: [--no-build-isolation]
@@ -29,12 +29,12 @@ repos:
     - id: isort
 
   - repo: https://github.com/psf/black
-    rev: 21.8b0
+    rev: 21.9b0
     hooks:
     - id: black
 
   - repo: https://github.com/PyCQA/flake8
-    rev: 3.9.2
+    rev: 4.0.1
     hooks:
     - id: flake8