build(pyproject.toml): set version_scheme = "pep440"

Author: Lee-W

pyproject.toml

@@ -93,6 +93,7 @@ version_files = [
  "commitizen/__version__.py",
  ".pre-commit-config.yaml:rev:.+Commitizen",
 ]
+version_scheme = "pep440"
 
 
 [tool.poetry]