[pre-commit.ci] pre-commit autoupdate (#652)

.pre-commit-config.yaml

@@ -19,13 +19,13 @@ repos:
   - id: isort
 
 - repo: https://github.com/psf/black
-  rev: 20.8b1
+  rev: 21.4b0
   hooks:
   - id: black
     files: ^bin/update_pythons.py|setup.py$
 
 - repo: https://github.com/asottile/setup-cfg-fmt
-  rev: v1.16.0
+  rev: v1.17.0
   hooks:
   - id: setup-cfg-fmt
     stages: [manual]
@@ -44,7 +44,7 @@ repos:
     args: ["--python-version=3.7", "--ignore-missing-imports", "--scripts-are-modules"]
 
 - repo: https://github.com/asottile/pyupgrade
-  rev: v2.12.0
+  rev: v2.13.0
   hooks:
   - id: pyupgrade
     name: PyUpgrade 3.6+