[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/reorder-python-imports: v3.15.0 → v3.16.0](asottile/reorder-python-imports@v3.15.0...v3.16.0)
- [github.com/asottile/pyupgrade: v3.20.0 → v3.21.0](asottile/pyupgrade@v3.20.0...v3.21.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -8,7 +8,7 @@ repos:
   - id: end-of-file-fixer
   - id: trailing-whitespace
 - repo: https://github.com/asottile/reorder-python-imports
-  rev: v3.15.0
+  rev: v3.16.0
   hooks:
   - id: reorder-python-imports
     args: [--application-directories, '.:src', --py38-plus]
@@ -18,7 +18,7 @@ repos:
   - id: black
     args: [--line-length=79, --target-version=py38]
 - repo: https://github.com/asottile/pyupgrade
-  rev: v3.20.0
+  rev: v3.21.0
   hooks:
   - id: pyupgrade
     args: [--py38-plus]