Update test config for -docutils18

Author: domdfcoding

tox.ini

@@ -351,7 +351,15 @@ commands =
     python --version
     python -m pytest --cov=html_section -r aR tests/ {posargs}
 
-[testenv:py{312,313}-docutils0.18]
+[testenv:py{311,312,313}-docutils0.18]
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
+deps =
+    -r{toxinidir}/tests/requirements.txt
+    -r{toxinidir}/requirements.txt
+    docutils0.18: docutils~=0.18.0
+    sphinx-prompt==1.10.0
+commands =
+    python --version
+    python -m pytest --cov=html_section -r aR tests/ {posargs}