Fix test_jupyter.py::test_shutsdown_cleanly (#8954)

Author: hendrikmakait

continuous_integration/environment-3.10.yaml

@@ -52,6 +52,8 @@ dependencies:
   - zstandard
   # Temporary fix for https://github.com/pypa/setuptools/issues/4496
   - setuptools < 71
+  # Temporary fix for https://github.com/jupyterlab/jupyterlab/issues/17012
+  - httpx<0.28.0
   - pip:
       - git+https://github.com/dask/dask
       - git+https://github.com/dask/dask-expr

continuous_integration/environment-3.11.yaml

@@ -46,6 +46,8 @@ dependencies:
   - zstandard
   # Temporary fix for https://github.com/pypa/setuptools/issues/4496
   - setuptools < 71
+  # Temporary fix for https://github.com/jupyterlab/jupyterlab/issues/17012
+  - httpx<0.28.0
   - pip:
       - git+https://github.com/dask/dask
       - git+https://github.com/dask/dask-expr

continuous_integration/environment-3.12.yaml

@@ -46,6 +46,8 @@ dependencies:
   - zstandard
   # Temporary fix for https://github.com/pypa/setuptools/issues/4496
   - setuptools < 71
+  # Temporary fix for https://github.com/jupyterlab/jupyterlab/issues/17012
+  - httpx<0.28.0
   - pip:
       - git+https://github.com/dask/dask
       - git+https://github.com/dask/dask-expr

continuous_integration/environment-3.13.yaml

@@ -45,6 +45,8 @@ dependencies:
   - zstandard
   # Temporary fix for https://github.com/pypa/setuptools/issues/4496
   - setuptools < 71
+  # Temporary fix for https://github.com/jupyterlab/jupyterlab/issues/17012
+  - httpx<0.28.0
   - pip:
       - git+https://github.com/dask/dask
       - git+https://github.com/dask/dask-expr