Improve template documentation

This gets the documentation and comments throughout this repository to align with the Python binary template.

docker/ci-runner/Dockerfile

-FROM python:3.12
+# This dockerfile is used throughout steps of the CI/CD pipeline
+# It contains dependencies to execute the template and run tests
+FROM python:3.13
 
 RUN python -m pip install --upgrade pip
 RUN python -m pip install --upgrade cookiecutter tox twine