fix windows wheels copy cmd

Author: ekomarova

conda-recipe/bld.bat

@@ -41,8 +41,6 @@ for /f %%f in ('dir /b /S .\dist') do (
 
 :: Copy wheel package
 if NOT "%WHEELS_OUTPUT_FOLDER%"=="" (
-    for /f %%f in ('dir /b /S .\dist') do (
-        copy %%f %WHEELS_OUTPUT_FOLDER%
-        if %ERRORLEVEL% neq 0 exit 1
-    )
+    copy dist\numba_dpex*.whl %WHEELS_OUTPUT_FOLDER%
+    if errorlevel 1 exit 1
 )