Update dependency pre-commit to v3.8.0 (#81)

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

Author: renovate[bot]

poetry.lock

@@ -15,7 +15,7 @@ python-dotenv = {version = "^1.0.0", optional = true}
 [tool.poetry.dev-dependencies]
 black = "^20.8b1"
 mypy = "^1.0.0"
-pre-commit = "^4.0.0"
+pre-commit = "^3.5.0"
 
 [tool.poetry.extras]
 leaderboard = ["requests", "python-dotenv"]