Upgrade to Python 3.12 (#2072)

Author: max-muoto

Diff for: CHANGELOG.md

@@ -3,6 +3,12 @@
 This changelog only contains breaking and/or significant changes manually introduced to this repository (using Pull Requests).
 All image manifests can be found in [the wiki](https://github.com/jupyter/docker-stacks/wiki).
 
+## 2024-10-23
+
+Affected: all images.
+
+- **Breaking:** Switch to Python 3.12 ([#2072](https://github.com/jupyter/docker-stacks/pull/2072)).
+
 ## 2024-10-22
 
 Affected: `pyspark-notebook` and `all-spark-notebook` images.

Diff for: README.md

@@ -120,7 +120,8 @@ If you want to use the older `Ubuntu` and/or `Python` version, you can use the f
 | 2022-10-09   | 22.04  | 3.9    | `ed2908bbb62e` |
 | 2023-05-30   | 22.04  | 3.10   | `4d70cf8da953` |
 | 2024-08-26   | 22.04  | 3.11   | `00987883e58d` |
-| weekly build | 24.04  | 3.11   | `latest`       |
+| 2024-10-22   | 24.04  | 3.11   | `b74418220768` |
+| weekly build | 24.04  | 3.12   | `latest`       |
 
 ## Contributing
 

Diff for: images/docker-stacks-foundation/Dockerfile

@@ -89,7 +89,7 @@ RUN echo "auth requisite pam_deny.so" >> /etc/pam.d/su && \
 USER ${NB_UID}
 
 # Pin the Python version here, or set it to "default"
-ARG PYTHON_VERSION=3.11
+ARG PYTHON_VERSION=3.12
 
 # Setup work directory for backward-compatibility
 RUN mkdir "/home/${NB_USER}/work" && \

Diff for: tests/docker-stacks-foundation/test_python_version.py

@@ -5,7 +5,7 @@
 from tests.conftest import TrackedContainer
 
 LOGGER = logging.getLogger(__name__)
-EXPECTED_PYTHON_VERSION = "3.11"
+EXPECTED_PYTHON_VERSION = "3.12"
 
 
 def test_python_version(container: TrackedContainer) -> None: