Update custom recipes versions (#2276)

Author: mathbunnyru

docs/using/custom-images.md

@@ -57,7 +57,7 @@ FROM $BASE_IMAGE
 
 Include the file below in your project:
 
-```{literalinclude} recipe_code/docker-bake.python312.hcl
+```{literalinclude} recipe_code/docker-bake.custom-python.hcl
 :force:
 :language: hcl
 :caption: docker-bake.hcl

docs/using/recipe_code/custom_environment.dockerfile

@@ -2,8 +2,8 @@ ARG BASE_IMAGE=quay.io/jupyter/minimal-notebook
 FROM $BASE_IMAGE
 
 # Name your environment and choose the Python version
-ARG env_name=python310
-ARG py_ver=3.10
+ARG env_name=python313
+ARG py_ver=3.13
 
 # You can add additional libraries here
 RUN mamba create --yes -p "${CONDA_DIR}/envs/${env_name}" \

docs/using/recipe_code/docker-bake.python312.hcl renamed to docs/using/recipe_code/docker-bake.custom-python.hcl

@@ -5,7 +5,7 @@ group "default" {
 target "foundation" {
     context = "https://github.com/jupyter/docker-stacks.git#main:images/docker-stacks-foundation"
     args = {
-        PYTHON_VERSION = "3.12"
+        PYTHON_VERSION = "3.13"
     }
     tags = ["docker-stacks-foundation"]
 }

docs/using/recipe_code/jupyterhub_version.dockerfile

@@ -1,7 +1,7 @@
 ARG BASE_IMAGE=quay.io/jupyter/base-notebook
 FROM $BASE_IMAGE
 
-RUN mamba install --yes 'jupyterhub-singleuser==4.0.1' && \
+RUN mamba install --yes 'jupyterhub-singleuser==5.2.1' && \
     mamba clean --all -f -y && \
     fix-permissions "${CONDA_DIR}" && \
     fix-permissions "/home/${NB_USER}"