enhancement: add lint-next target to prepare for ruff-by-default configuration

Author: ssato

tox.ini

@@ -20,7 +20,7 @@ python =
     3.10: py310
     3.11: py311
     3.12: py312
-    3.13: py313, type-check, lint, plugins, min
+    3.13: py313, type-check, lint, lint-next, plugins, min
 
 [flake8]
 exclude = .git,.tox,dist,*egg,setup.py
@@ -44,6 +44,13 @@ commands =
     - ruff check src
     - ruff check src --statistics
 
+[testenv:lint-next]
+deps =
+    -r {toxinidir}/tests/requirements.d/lint.txt
+commands =
+    ruff check src --output-format pylint
+    ruff check src --statistics
+
 [testenv:type-check]
 deps =
     -r {toxinidir}/tests/requirements.d/type-check.txt