style: change minimum python versoin in Ruff

Ruff does not support multiple target versions; it only supports the minimum versions. Since we want to support Python 3.11 in CI, it is better to change the target version.

pyproject.toml

@@ -34,11 +34,11 @@ pytest-random-order = "*"
 
 [tool.ruff]
 line-length = 120
-target-version = "py312"
+target-version = "py311"
 
 [tool.ruff.lint]
 select = ["RUF", "I", "PL", "F", "COM", "UP", "DJ", "T10", "T20", "DTZ", "SIM", "TID", "PTH", "ERA", "TRY"]
-ignore = ["COM812", "PLR2004", "PLR0911", "PLR0913", "PLR0915", "DJ001", "DJ001", "DJ008", "TRY003", "PLR0912", "RUF012"]
+ignore = ["COM812", "PLR2004", "PLR0911", "PLR0913", "PLR0915", "DJ001", "DJ001", "DJ008", "TRY003", "PLR0912", "RUF012", "PIE790"]
 
 [tool.ruff.lint.per-file-ignores]
 "__init__.py" = ["F401"]