Update Dask version to 2026.1.2 (#359)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: dask-bot

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     env:
-      release: "2026.1.1"
+      release: "2026.1.2"
       defaultpython: "3.10"
 
     strategy:

README.md

@@ -8,17 +8,17 @@
 | `ghcr.io/dask/dask-notebook`  | Jupyter Notebook image to use as helper entrypoint  | [![][daskdev-dask-notebook-py310-release] ![][daskdev-dask-notebook-release] ![][daskdev-dask-notebook-latest] <br /> ![][daskdev-dask-notebook-py310-release] <br /> ![][daskdev-dask-notebook-py311-release] <br /> ![][daskdev-dask-notebook-py312-release] <br /> ![][daskdev-dask-notebook-py313-release]](https://github.com/dask/dask-docker/pkgs/container/dask-notebook) |
 
 [daskdev-dask-latest]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-latest-blue
-[daskdev-dask-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.1-blue
-[daskdev-dask-py310-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.1--py3.10-blue
-[daskdev-dask-py311-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.1--py3.11-blue
-[daskdev-dask-py312-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.1--py3.12-blue
-[daskdev-dask-py313-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.1--py3.13-blue
+[daskdev-dask-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.2-blue
+[daskdev-dask-py310-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.2--py3.10-blue
+[daskdev-dask-py311-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.2--py3.11-blue
+[daskdev-dask-py312-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.2--py3.12-blue
+[daskdev-dask-py313-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask-2026.1.2--py3.13-blue
 [daskdev-dask-notebook-latest]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-latest-blue
-[daskdev-dask-notebook-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.1-blue
-[daskdev-dask-notebook-py310-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.1--py3.10-blue
-[daskdev-dask-notebook-py311-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.1--py3.11-blue
-[daskdev-dask-notebook-py312-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.1--py3.12-blue
-[daskdev-dask-notebook-py313-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.1--py3.13-blue
+[daskdev-dask-notebook-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.2-blue
+[daskdev-dask-notebook-py310-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.2--py3.10-blue
+[daskdev-dask-notebook-py311-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.2--py3.11-blue
+[daskdev-dask-notebook-py312-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.2--py3.12-blue
+[daskdev-dask-notebook-py313-release]: https://img.shields.io/badge/ghcr.io%2Fdask%2Fdask--notebook-2026.1.2--py3.13-blue
 
 
 ## Example

build/docker-compose.yml

@@ -6,7 +6,7 @@ services:
       context: ../base
       dockerfile: Dockerfile
       args:
-        release: "2026.1.1"
+        release: "2026.1.2"
     image: ghcr.io/dask/dask:latest
     hostname: dask-scheduler
     ports:
@@ -28,7 +28,7 @@ services:
       dockerfile: Dockerfile
       args:
         python: "3.10"
-        release: "2026.1.1"
+        release: "2026.1.2"
     image: ghcr.io/dask/dask:latest
     hostname: dask-worker
     command: [ "dask-worker", "tcp://scheduler:8786" ]
@@ -40,7 +40,7 @@ services:
       args:
         base: daskdev
         python: "3.10"
-        release: "2026.1.1"
+        release: "2026.1.2"
     depends_on:
       - docker-stacks-foundation
     image: ghcr.io/dask/dask-notebook:latest