.github/workflows/cmake-multi-platform.yml: build: append --target install

Author: ChristianFrisson

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

@@ -87,7 +87,10 @@ jobs:
     - name: Build
       # Build your program with the given configuration. Note that --config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
       id: build
-      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
+      run: > 
+        cmake --build ${{ steps.strings.outputs.build-output-dir }} 
+        --config ${{ matrix.build_type }}
+        --target install
 
     - name: Test
       id: test