[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/add-trailing-comma: v2.5.1 → v3.0.0](asottile/add-trailing-comma@v2.5.1...v3.0.0)
- [github.com/asottile/pyupgrade: v3.7.0 → v3.8.0](asottile/pyupgrade@v3.7.0...v3.8.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -70,12 +70,12 @@ repos:
       - id: reorder-python-imports
         args: [--py36-plus]
   - repo: https://github.com/asottile/add-trailing-comma
-    rev: "v2.5.1"
+    rev: "v3.0.0"
     hooks:
       - id: add-trailing-comma
         args: [--py36-plus]
   - repo: https://github.com/asottile/pyupgrade
-    rev: "v3.7.0"
+    rev: "v3.8.0"
     hooks:
       - id: pyupgrade
         args: [--py36-plus]