Missed a few python version setters

Author: PastelStorm

.github/workflows/bump_libraries.yaml

@@ -9,7 +9,7 @@ on:
       - 'requirements/**'
 
 env:
-  PYTHON_VERSION: "3.8"
+  PYTHON_VERSION: "3.12"
 
 jobs:
     bump-changelog:

Dockerfile

@@ -7,7 +7,7 @@ ARG NB_USER=notebook-user
 ARG NB_UID=1000
 ARG PIP_VERSION
 ARG PIPELINE_PACKAGE
-ARG PYTHON_VERSION="3.11"
+ARG PYTHON_VERSION="3.12"
 
 # Set up environment
 ENV PYTHON python${PYTHON_VERSION}