🔨 added automatic syntax-upgrade hook ~ pyupgrade (#229)

Author: janas-adam

.pre-commit-config.yaml

@@ -22,3 +22,11 @@ repos:
     types: [python]
     language: system
     pass_filenames: false
+
+- repo: https://github.com/asottile/pyupgrade
+  rev: v3.18.0
+  hooks:
+    - id: pyupgrade
+      args:
+      - --py3-plus
+      - --keep-runtime-typing