[cicd] use cmd instead of powershell for windows build

.github/workflows/conda-install.yml

@@ -54,6 +54,9 @@ jobs:
 
   build-windows:
     runs-on: windows-latest
+    defaults:
+      run:
+        shell: cmd
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python 3.10
@@ -64,12 +67,12 @@ jobs:
       - name: Install ESA SNAP
         run: |
           curl -O https://download.esa.int/step/snap/10_0/installers/esa-snap_sentinel_windows-10.0.0.exe
-          start /wait esa-snap_sentinel_windows-10.0.0.exe -q -dir $GITHUB_ACTION_PATH\esa-snap
+          start /wait esa-snap_sentinel_windows-10.0.0.exe -q -dir %GITHUB_ACTION_PATH%\esa-snap
       - name: Set paths and variables
         run: |
-          echo "$CONDA\Scripts" >> $GITHUB_PATH
-          echo "$GITHUB_ACTION_PATH\esa-snap\bin" >> $GITHUB_PATH
-          echo "PROJ_DATA=$CONDA\share\proj" >> $GITHUB_ENV
+          echo %CONDA%\Scripts >> %GITHUB_PATH%
+          echo %GITHUB_ACTION_PATH%\esa-snap\bin >> %GITHUB_PATH%
+          echo PROJ_DATA=%CONDA%\share\proj >> %GITHUB_ENV%
       - name: Install dependencies
         run: |
           conda install -y python=3.10