[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/pyupgrade: v2.29.1 → v2.31.0](asottile/pyupgrade@v2.29.1...v2.31.0)
- [github.com/tox-dev/tox-ini-fmt: 0.5.1 → 0.5.2](tox-dev/tox-ini-fmt@0.5.1...0.5.2)

.pre-commit-config.yaml

@@ -12,7 +12,7 @@ repos:
       - id: end-of-file-fixer
       - id: trailing-whitespace
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.29.1
+    rev: v2.31.0
     hooks:
       - id: pyupgrade
         args: [ "--py36-plus" ]
@@ -35,7 +35,7 @@ repos:
     hooks:
       - id: rst-backticks
   - repo: https://github.com/tox-dev/tox-ini-fmt
-    rev: "0.5.1"
+    rev: "0.5.2"
     hooks:
       - id: tox-ini-fmt
         args: [ "-p", "fix_lint" ]