Update PowerShell test to set CMDER_DEBUG env variable inline

Author: DRSDavidSoft

.github/workflows/tests.yml

@@ -47,10 +47,8 @@ jobs:
       run: |
           cmd /c vendor\init.bat /v /d /t
     - name: Testing PowerShell
-      env:
-        CMDER_DEBUG: '1'
       run: |
-          PowerShell.exe -ExecutionPolicy Bypass -NoLogo -NoProfile -Command "'vendor\profile.ps1'"
+          PowerShell.exe -ExecutionPolicy Bypass -NoLogo -NoProfile -Command "$CMDER_DEBUG = 1; 'vendor\profile.ps1'"
     - name: Testing Bash
       run: |
           bash vendor/cmder.sh