deps: update pre-commit hook asottile/pyupgrade to v3.8.0 (#232)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.pre-commit-config.yaml

@@ -30,7 +30,7 @@ repos:
         exclude: ^CHANGELOG.md$
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.7.0
+    rev: v3.8.0
     hooks:
       - id: pyupgrade
         args: [--py37-plus]