why does exclude not exclude?

Author: Ravenwater

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

@@ -23,7 +23,8 @@ jobs:
       #
       # To add more build types (Release, Debug, RelWithDebInfo, etc.) customize the build_type list.
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        #os: [ubuntu-latest, windows-latest]
+        os: [windows-latest]
         build_type: [Release]
         c_compiler: [gcc, clang, cl]
         cpp_compiler: [g++, clang++, cl]