Merge pull request #44 from asottile/all-repos_autofix_pre-commit-autoupdate

Ran pre-commit autoupdate.

.pre-commit-config.yaml

 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    sha: v0.9.1
+    rev: v1.2.3
     hooks:
     -   id: trailing-whitespace
     -   id: end-of-file-fixer
@@ -12,10 +12,10 @@ repos:
     -   id: requirements-txt-fixer
     -   id: flake8
 -   repo: https://github.com/asottile/reorder_python_imports
-    sha: v0.3.5
+    rev: v1.0.1
     hooks:
     -   id: reorder-python-imports
 -   repo: https://github.com/asottile/add-trailing-comma
-    sha: v0.6.4
+    rev: v0.6.4
     hooks:
     -   id: add-trailing-comma