Twewak the build noxenv again.

Hopefully slightly more resilient for Windows.

Author: Julian

.github/workflows/ci.yml

@@ -57,8 +57,6 @@ jobs:
             noxenv: "tests-3.11(no-extras)"
             posargs: coverage github
         exclude:
-          - os: windows-latest
-            noxenv: readme
           - os: windows-latest
             noxenv: "docs(dirhtml)"
           - os: windows-latest

noxfile.py

@@ -111,7 +111,9 @@ def build(session):
     with TemporaryDirectory() as tmpdir:
         session.run("python", "-m", "build", ROOT, "--outdir", tmpdir)
         session.run("twine", "check", "--strict", tmpdir + "/*")
-        session.run("rst2html5.py", "--halt=warning", CHANGELOG, "/dev/null")
+        session.run(
+            "python", "-m", "docutils", "--strict", CHANGELOG, os.devnull,
+        )
 
 
 @session()