fix

Author: faressc

.github/actions/build/action.yml

@@ -42,7 +42,7 @@ runs:
         elif [[ "${{ matrix.name }}" == Windows-x86_64* ]]; then
           cmake -B build -DCMAKE_BUILD_TYPE=${{ inputs.BUILD_TYPE }} -DCMAKE_C_COMPILER_LAUNCHER=sccache -DCMAKE_CXX_COMPILER_LAUNCHER=sccache ${{ inputs.CMAKE_BUILD_ARGS }}
         else
-          echo "Unknown OS";
+          cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=${{ inputs.BUILD_TYPE }} -DCMAKE_C_COMPILER_LAUNCHER=sccache -DCMAKE_CXX_COMPILER_LAUNCHER=sccache ${{ inputs.CMAKE_BUILD_ARGS }}
         fi;
 
     - name: build targets