modified the yml github actions fiile

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

@@ -53,24 +53,29 @@ jobs:
       run: |
         sudo apt-get update && sudo apt-get install -y build-essential libgtk-3-dev cmake apt-utils git wget
 
+    - name: Create build directory
+      run: |
+        mkdir -p ${{ github.workspace }}/build
+
     - name: Configure CMake
       run: |
-        # Configure with cmake . approach
+        # Run cmake in the current directory with the desired flags
         cmake -DCMAKE_BUILD_TYPE=Release -DwxBUILD_SHARED=OFF \
-        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }} -DCMAKE_C_COMPILER=${{ matrix.c_compiler }} .
+        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }} -DCMAKE_C_COMPILER=${{ matrix.c_compiler }} \
+        -B ${{ github.workspace }}/build -S ${{ github.workspace }}
 
     - name: Build the project
       run: |
-        cmake --build . --config ${{ matrix.build_type }} --clean-first
+        cmake --build ${{ github.workspace }}/build --config ${{ matrix.build_type }} --clean-first
 
     - name: Test
-      working-directory: ${{ steps.strings.outputs.build-output-dir }}
+      working-directory: ${{ github.workspace }}/build
       run: |
         ctest --build-config ${{ matrix.build_type }}
 
     - name: Upload build artifacts
       uses: actions/upload-artifact@v4
       with:
         name: minesweeper
-        path: ${{ steps.strings.outputs.build-output-dir }}
+        path: ${{ github.workspace }}/build
         overwrite: true