revert version change

use powershell for windows instead of bash

Author: Aurashk

.github/workflows/ci.yml

@@ -27,12 +27,13 @@ jobs:
             muse2_exe: muse2
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: astral-sh/setup-uv@v5
+      - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
           prune-cache: false
+          activate-environment: true
           python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
@@ -46,7 +47,7 @@ jobs:
         run: |
           TAG=$(curl -sSf \
             -H "Accept: application/vnd.github+json" \
-            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
+            -H "Authorization: Bearer ${{ github.token }}" \
             https://api.github.com/repos/EnergySystemsModellingLab/MUSE2/releases/latest \
             | jq -r '.tag_name')
 
@@ -87,7 +88,8 @@ jobs:
           echo "MUSE2_PATH=$exePath" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
 
       # Confirm the muse2 executable is present and the environment variable is set correctly.
-      - name: Verify MUSE2 installation
+      - name: Verify MUSE2 installation (Linux / macOS)
+        if: runner.os == 'Linux' || runner.os == 'macOS'
         shell: bash
         run: |
           if [[ ! -f "$MUSE2_PATH" ]]; then
@@ -96,6 +98,16 @@ jobs:
           fi
           echo "MUSE2_PATH is set to: $MUSE2_PATH"
 
+      - name: Verify MUSE2 installation (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          if (-not (Test-Path -Path $env:MUSE2_PATH -PathType Leaf)) {
+            Write-Error "MUSE2 executable not found at: $env:MUSE2_PATH"
+            exit 1
+          }
+          Write-Host "MUSE2_PATH is set to: $env:MUSE2_PATH"
+
       - name: Run mypy
         run: mypy .