Enable Ruff's flake8-debugger checks

pyproject.toml

@@ -184,6 +184,7 @@ select = [
     "PLW", # pylint
     "S",   # flake8-bandit
     "SIM", # flake8-simplify
+    "T10", # flake8-debugger
     "RUF100",  # yesqa
 ]
 

sphinx/cmd/build.py

@@ -5,7 +5,7 @@ import bdb
 import locale
 import multiprocessing
 import os
-import pdb
+import pdb  # NoQA: T100
 import sys
 import traceback
 from os import path