Move and update dask nigthly install in CI (#12082)

This PR updates `dask` nightly install to correctly install the packages.

Authors:
  - GALI PREM SAGAR (https://github.com/galipremsagar)

Approvers:
  - Peter Andreas Entschev (https://github.com/pentschev)
  - Ray Douglass (https://github.com/raydouglass)

URL: #12082

ci/benchmark/build.sh

@@ -82,8 +82,8 @@ conda install "rmm=$MINOR_VERSION.*" "cudatoolkit=$CUDA_REL" \
 
 # Install the conda-forge or nightly version of dask and distributed
 if [[ "${INSTALL_DASK_MAIN}" == 1 ]]; then
-    gpuci_logger "gpuci_mamba_retry update dask"
-    gpuci_mamba_retry update dask
+    gpuci_logger "gpuci_mamba_retry install -c dask/label/dev 'dask/label/dev::dask' 'dask/label/dev::distributed'"
+    gpuci_mamba_retry install -c dask/label/dev "dask/label/dev::dask" "dask/label/dev::distributed"
 else
     gpuci_logger "gpuci_mamba_retry install conda-forge::dask=={$DASK_STABLE_VERSION} conda-forge::distributed=={$DASK_STABLE_VERSION} conda-forge::dask-core=={$DASK_STABLE_VERSION} --force-reinstall"
     gpuci_mamba_retry install conda-forge::dask=={$DASK_STABLE_VERSION} conda-forge::distributed=={$DASK_STABLE_VERSION} conda-forge::dask-core=={$DASK_STABLE_VERSION} --force-reinstall

ci/gpu/build.sh

@@ -96,8 +96,8 @@ function install_dask {
     gpuci_logger "Install the conda-forge or nightly version of dask and distributed"
     set -x
     if [[ "${INSTALL_DASK_MAIN}" == 1 ]]; then
-        gpuci_logger "gpuci_mamba_retry update dask"
-        gpuci_mamba_retry update dask
+        gpuci_logger "gpuci_mamba_retry install -c dask/label/dev 'dask/label/dev::dask' 'dask/label/dev::distributed'"
+        gpuci_mamba_retry install -c dask/label/dev "dask/label/dev::dask" "dask/label/dev::distributed"
         conda list
     else
         gpuci_logger "gpuci_mamba_retry install conda-forge::dask=={$DASK_STABLE_VERSION} conda-forge::distributed=={$DASK_STABLE_VERSION} conda-forge::dask-core=={$DASK_STABLE_VERSION} --force-reinstall"
@@ -111,6 +111,8 @@ function install_dask {
     set +x
 }
 
+install_dask
+
 if [[ -z "$PROJECT_FLASH" || "$PROJECT_FLASH" == "0" ]]; then
 
     gpuci_logger "Install dependencies"
@@ -126,8 +128,6 @@ if [[ -z "$PROJECT_FLASH" || "$PROJECT_FLASH" == "0" ]]; then
     # gpuci_conda_retry remove --force rapids-build-env rapids-notebook-env
     # gpuci_mamba_retry install -y "your-pkg=1.0.0"
 
-    install_dask
-
     ################################################################################
     # BUILD - Build libcudf, cuDF, libcudf_kafka, dask_cudf, and strings_udf from source
     ################################################################################