Merge pull request #2676 from NHSDigital/feature/RAA-4409

[RAA-4409]-[KM]-[Updated python version to 3.13]-[EW]

Author: EdwardWills-nhs

README.md

@@ -35,7 +35,7 @@ The contents of this repository are protected by Crown Copyright (C).
 ### Environment setup
 Currently, automation for setting up the right environment is only available for machines based on RedHatEnterpriseLinux (RHEL).
 Running the following will ensure your environment is ready for development.
-It will install [pyenv](https://github.com/pyenv/pyenv), Python 3.10.8 and its dependencies (yum), create a virtual environment (named apigee), and ensure poetry is installed under it.
+It will install [pyenv](https://github.com/pyenv/pyenv), Python 3.13 and its dependencies (yum), create a virtual environment (named apigee), and ensure poetry is installed under it.
 ```
 $ make setup-environment
 ```

scripts/macos_setup_environment.sh

@@ -50,7 +50,7 @@ echo "Installing python 3.13 with pyenv ..."
 if pyenv versions | grep -Fq "3.13" ; then
     echo "Pyenv has already got Python 3.13 installed."
 else
-    if pyenv install 3.10 ; then
+    if pyenv install 3.13 ; then
         echo "Pyenv installed Python 3.13 successfully."
     else
         echo "Pyenv did NOT install Python 3.13 successfully."