Fix emscripten windows CI

Author: Julian LALU

.github/workflows/windows_wasm.yml

@@ -19,12 +19,11 @@ jobs:
           git clone https://github.com/emscripten-core/emsdk.git
           cd emsdk
           git pull
-          emsdk.bat install latest
-          emsdk.bat activate latest
-          emsdk_env.bat
-          echo %PATH%
+          ./emsdk install latest
+          ./emsdk activate latest
+          ./emsdk_env.ps1
+          echo $env:PATH
           emcmake.bat cmake --no-warn-unused-cli -DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=TRUE -DCMAKE_BUILD_TYPE:STRING=Release -Btarget
-        shell: cmd
       - name: Build
         run: cmake --build target -- -j 16
       - name: Test