fix: dotnet build

Author: qubka

.github/workflows/cmake-multiple-platform.yml

@@ -209,15 +209,15 @@ jobs:
           path: conda/api/
 
       - name: Download dotnet runtime (Linux)
-        if: matrix.os == 'windows-latest'
+        if: matrix.os == 'ubuntu-latest'
         shell: bash -el {0}
         run: |
           mkdir -p "conda/dotnet"
           curl -sSL https://builds.dotnet.microsoft.com/dotnet/aspnetcore/Runtime/9.0.0/aspnetcore-runtime-9.0.0-linux-x64.tar.gz \
             | tar xvz -C "conda/dotnet/"
        
       - name: Download dotnet runtime (Windows)
-        if: matrix.os == 'ubuntu-latest'
+        if: matrix.os == 'windows-latest'
         shell: bash -el {0}
         run: |
           mkdir -p "conda/dotnet"