python-docutils: bump to 0.22.4

Changelog: https://docutils.sourceforge.io/RELEASE-NOTES.html
Signed-off-by: Alexandru Ardelean <alex@shruggie.ro>

lang/python/python-docutils/test.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+[ "$1" = python3-docutils ] || exit 0
+
+python3 - << 'EOF'
+
+import docutils.core
+import docutils.parsers.rst
+
+# Basic RST to HTML conversion
+rst_input = """\
+Hello World
+===========
+
+This is a **bold** paragraph with *italics*.
+
+- item one
+- item two
+"""
+
+html = docutils.core.publish_string(rst_input, writer_name="html")
+html_str = html.decode("utf-8")
+
+assert "Hello World" in html_str
+assert "<strong>bold</strong>" in html_str
+assert "<em>italics</em>" in html_str
+
+EOF