Update windows-mingw.yml

Author: andreasdr

.github/workflows/windows-mingw.yml

@@ -33,4 +33,4 @@ jobs:
           unzip
     - uses: actions/checkout@v2
     - name: build
-      run: cd ext/minitscript && cd ./ext/windows-msc && unzip tools.zip && cd ../.. && make mains && cp ./lib/*.dll ./bin/minitscript/tools/ && ./bin/minitscript/tools/minitscript --working-directory=../.. ../../make.tscript --arguments clean libraries executables && cd ../..
+      run: cd ext/minitscript && cd ./ext/windows-msc && unzip tools.zip && cd ../.. && make mains && cp ./lib/*.dll ./bin/minitscript/tools/ && ./bin/minitscript/tools/minitscript --working-directory=../.. ../../make.tscript --arguments clean libraries tests executables && cd ../..