Fix ECS compatibility with Python 3.13 and newer.
Replace the removed cgi.escape() function with html.escape().
Use quote=False to preserve the original escaping behavior of
cgi.escape(), which did not escape quotation marks by default.
--- ../boto/ecs/item.py	2026-10-18 01:20:55.465415473 +0300
+++ ../boto/ecs/item.py	2026-10-18 01:21:24.450278595 +0300
@@ -21,7 +21,7 @@
 
 
 import xml.sax
-import cgi
+import html
 from boto.compat import six, StringIO
 
 class ResponseGroup(xml.sax.ContentHandler):
@@ -67,7 +67,7 @@
         return None
 
     def endElement(self, name, value, connection):
-        self._xml.write("%s</%s>" % (cgi.escape(value).replace("&amp;amp;", "&amp;"), name))
+        self._xml.write("%s</%s>" % (html.escape(value, quote=False).replace("&amp;amp;", "&amp;"), name))
         if len(self._nodepath) == 0:
             return
         obj = None