[fix] if expression

Author: i4004

.github/workflows/build.yml

@@ -41,10 +41,10 @@ jobs:
         run: dotnet pack ${{ matrix.solution }} --no-build -c Release -o ./publish
 
       - name: Create Source Packages
+        if: ${{ matrix.os == 'windows-latest' }}
         shell: pwsh
         working-directory: .
         run: ./MakeSourcePackages.ps1
-        if: ${{ matrix.os == windows-latest }}
 
       - name: Create packages artifact
         uses: actions/upload-artifact@v2