chore: update build script to use PowerShell for executable verification

Author: burdockcascade

.github/workflows/build.yml

@@ -43,8 +43,8 @@ jobs:
       - name: Build Target
         run: cmake --build ${{ github.workspace }}/build --config Release
       - name: Verify Executable Production
-        shell: bash
-        run: ls -l ${{ github.workspace }}/build/Release/vectorjs.exe
+        shell: pwsh
+        run: Test-Path "${{ github.workspace }}/build/Release/vectorjs.exe"
 
   build-mac:
     name: Build on macOS