lint: use sphinx flag to disable blocks (#242)

scripts/lint.sh

@@ -20,13 +20,12 @@ touch logs/sphinxlint.txt
 
 cd cpython/Doc
 
-# If version is 3.12 or newer, then disable literal-block, generate POT and
+# If version is 3.12 or newer, then generate POT disabling literal blocks and
 # update translations with fresh POT files. If version 3.11 or older,
 # disable new 'unnecessary-parentheses' check, not fixed before these versions.
 minor_version=$(git branch --show-current | sed 's|^3\.||')
 if [ $minor_version -ge 12 ]; then
-  sed -i "/^\s*'literal-block',/s/ '/ #'/" conf.py
-  make gettext SPHINXOPTS='-q'
+  make gettext SPHINXOPTS='-q -Dgettext_additional_targets=["index"]'
   sphinx-intl update -p build/gettext -l ${PYDOC_LANGUAGE} > /dev/null
 else
   alias sphinx-lint='sphinx-lint --disable unnecessary-parentheses'