Generator in correct spelling

Author: florianbecker

.github/workflows/integrate.yml

@@ -169,7 +169,7 @@ jobs:
       - name: Configure CMake (Windows)
         if: runner.os == 'Windows'
         working-directory: ${{runner.workspace}}/build
-        run: cmake $Env:GITHUB_WORKSPACE -G"visual studio 16 2019" -DCMAKE_BUILD_TYPE=${{matrix.config}}
+        run: cmake $Env:GITHUB_WORKSPACE -G"Visual Studio 16 2019" -DCMAKE_BUILD_TYPE=${{matrix.config}}
 
       - name: Build
         working-directory: ${{runner.workspace}}/build