text: Title: dask-expr is now a hard dependency
  Body: dask-expr is now a hard dependency of dask[dataframe].
  We still need to update
  
  - `distributed/continuous_integration/recipes` (see conda build workflow on distributed, currently failing)
  - https://github.com/conda-forge/dask-feedstock
  - distributed gpuci failing
  - other?
  
  CC @phofl @jrbourbeau 
  
  XREFs
  - dask/dask#10967
  - dask/dask#10976 
  - dask/distributed#8552
  