bump pre-commit hook versions

Author: janosh

.pre-commit-config.yaml

@@ -4,17 +4,20 @@ repos:
     hooks:
     - id: autoflake
       args: [--in-place, --remove-all-unused-imports, --remove-unused-variable, --ignore-init-module-imports]
+
   - repo: https://github.com/psf/black
-    rev: 21.4b2
+    rev: 21.11b1
     hooks:
     - id: black
-  - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.4
+
+  - repo: https://github.com/pycqa/flake8
+    rev: 4.0.1
     hooks:
       - id: flake8
         args: [--max-line-length=125]
+
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.4.0
+    rev: v4.0.1
     hooks:
       - id: check-yaml
       - id: end-of-file-fixer