fix: test rmdir to rd

according information from microsoft official website : https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/rd

Signed-off-by: slowy07 <[email protected]>

.github/workflows/cpp-testing-windows.yml

@@ -29,7 +29,7 @@ jobs:
           cmake ..
           cmake --build . --config Release --target install
           cd ../..
-          rmdir /s /q googletest
+          rd /s /q googletest
 
       - name: Build clara test windows
         run: |