ruff: Fix config warnings (#1964)

Author: q0w

pyproject.toml

@@ -16,6 +16,8 @@ extend-exclude = [
 ]
 line-length = 120
 target-version = "py38"
+
+[tool.ruff.lint]
 # See Rules in Ruff documentation: https://beta.ruff.rs/docs/rules/
 select = [
     "B",        # bugbear
@@ -33,7 +35,7 @@ select = [
 ]
 ignore = ["PYI021", "PYI024", "PYI041", "PYI043"]
 
-[tool.ruff.per-file-ignores]
+[tool.ruff.lint.per-file-ignores]
 "*.pyi" = [
     "B",
     "E501",
@@ -48,10 +50,10 @@ ignore = ["PYI021", "PYI024", "PYI041", "PYI043"]
 "ext/tests/*.py" = ["INP001"]
 "setup.py" = ["INP001"]
 
-[tool.ruff.flake8-tidy-imports.banned-api]
+[tool.ruff.lint.flake8-tidy-imports.banned-api]
 "_typeshed.Self".msg = "Use typing_extensions.Self (PEP 673) instead."
 
-[tool.ruff.isort]
+[tool.ruff.lint.isort]
 known-first-party = ["django_stubs_ext", "mypy_django_plugin"]
 split-on-trailing-comma = false