Add dask-expr to dask conda recipe (#8601)

Add `dask-expr` to `dask` conda recipe (#8601)

Author: charlesbluca

.github/workflows/conda.yml

@@ -49,10 +49,12 @@ jobs:
           export VERSION_SUFFIX=a`date +%y%m%d`
 
           # conda search for the latest dask-core pre-release
-          arr=($(conda search --override-channels -c dask/label/dev dask-core | tail -n 1))
+          dask_core_arr=($(conda search --override-channels -c dask/label/dev dask-core | tail -n 1))
+          dask_expr_arr=($(conda search --override-channels -c dask/label/dev dask-expr | tail -n 1))
 
-          # extract dask-core pre-release version / build
-          export DASK_CORE_VERSION=${arr[1]}
+          # extract dask-core & dask-expr pre-release versions
+          export DASK_CORE_VERSION=${dask_core_arr[1]}
+          export DASK_EXPR_VERSION=${dask_expr_arr[1]}
 
           # distributed pre-release build
           conda mambabuild continuous_integration/recipes/distributed \

continuous_integration/recipes/dask/meta.yaml

@@ -2,6 +2,7 @@
 {% set new_patch = major_minor_patch[2] | int + 1 %}
 {% set version = (major_minor_patch[:2] + [new_patch]) | join('.') + environ.get('VERSION_SUFFIX', '') %}
 {% set dask_version = environ.get('DASK_CORE_VERSION', '0.0.0.dev') %}
+{% set dask_expr_version = environ.get('DASK_EXPR_VERSION', '0.0.0.dev') %}
 
 
 package:
@@ -20,10 +21,12 @@ requirements:
   host:
     - python >=3.9
     - dask-core {{ dask_version }}
+    - dask-expr {{ dask_expr_version }}
     - distributed {{ version }}
   run:
     - python >=3.9
     - {{ pin_compatible('dask-core', max_pin='x.x.x.x') }}
+    - {{ pin_compatible('dask-expr', max_pin='x.x.x.x') }}
     - {{ pin_compatible('distributed', exact=True) }}
     - cytoolz >=0.8.2
     - lz4 >=4.3.2