[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/pre-commit/pre-commit-hooks: v3.2.0 → v3.4.0](pre-commit/pre-commit-hooks@v3.2.0...v3.4.0)
- https://gitlab.com/pycqa/flake8 → https://github.com/PyCQA/flake8
- [github.com/PyCQA/flake8: 3.8.3 → 3.9.2](PyCQA/flake8@3.8.3...3.9.2)
- [github.com/pre-commit/pygrep-hooks: v1.6.0 → v1.8.0](pre-commit/pygrep-hooks@v1.6.0...v1.8.0)
- [github.com/asottile/pyupgrade: v2.7.2 → v2.15.0](asottile/pyupgrade@v2.7.2...v2.15.0)

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.2.0
+    rev: v3.4.0
     hooks:
     -   id: trailing-whitespace
     -   id: check-added-large-files
@@ -22,8 +22,8 @@ repos:
     -   id: debug-statements
     -   id: pretty-format-json
         args: ['--autofix']
--   repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.3
+-   repo: https://github.com/PyCQA/flake8
+    rev: 3.9.2
     hooks:
     -   id: flake8
         additional_dependencies: [
@@ -53,11 +53,11 @@ repos:
         args: ['--max-line-length=160', '--ignore=E121,E123,E125,E501,F401,F403,W503']
 
 -   repo: https://github.com/pre-commit/pygrep-hooks
-    rev: v1.6.0  # Use the ref you want to point at
+    rev: v1.8.0  # Use the ref you want to point at
     hooks:
     -   id: python-no-log-warn
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.7.2
+    rev: v2.15.0
     hooks:
     -   id: pyupgrade
         args: ['--py36-plus']