Inlcude build package

As Python wants to move away from setuptools

Author: minchinweb

Dockerfile

@@ -47,7 +47,7 @@ RUN \
 
 RUN python -m pip --version
 RUN python -m pip install pip --upgrade
-RUN python -m pip install setuptools wheel --upgrade
+RUN python -m pip install setuptools wheel build --upgrade
 
 # store Python Version; used for image tagging
 # ARG needs to be declared here, and above any FROM line

Readme.md

@@ -18,7 +18,7 @@ your `Dockerfile`):
 
     # ... and the rest
 
-**This packages Python 3.11.**
+**This packages Python 3.12.**
 
 You also probably want to set the UID and GID (*User ID* number and *Group ID*
 number). This can be done through the environmental variables `PUID` and `GUID`