Fix Django version from pip freeze output

Author: ttiikeri

chapter_10_production_readiness.asciidoc

@@ -290,7 +290,7 @@ Django, Gunicorn and Whitenoise:
 [subs="specialcharacters,quotes"]
 ----
 $ *pip freeze | grep -i django*
-Django==4.2.7
+Django==4.2.11
 
 $ *pip freeze | grep -i django >> requirements.txt*
 $ *pip freeze | grep -i gunicorn >> requirements.txt*