Test_windows step to check if script exists before attempting to run it

Author: oleksandr-pavlyk

.github/workflows/conda-package.yml

@@ -364,7 +364,11 @@ jobs:
         shell: pwsh
         run: |
           $script_path="$env:CONDA_PREFIX\Scripts\set-intel-ocl-icd-registry.ps1"
-          &$script_path
+          if (Test-Path $script_path) {
+            &$script_path
+          } else {
+            Write-Warning "File $script_path was NOT found!"
+          }
           # Check the variable assisting OpenCL CPU driver to find TBB DLLs which are not located where it expects them by default
           $cl_cfg="$env:CONDA_PREFIX\Library\lib\cl.cfg"
           Get-Content -Tail 5 -Path $cl_cfg