Refactor CIBW_ENVIRONMENT_WINDOWS variable format

Author: alexlib

.github/workflows/cibuildwheel.yml

@@ -45,11 +45,7 @@ jobs:
             git clone https://github.com/microsoft/vcpkg.git C:\\vcpkg &&
             C:\\vcpkg\\bootstrap-vcpkg.bat -disableMetrics &&
             C:\\vcpkg\\vcpkg.exe install openblas:x64-windows
-          CIBW_ENVIRONMENT_WINDOWS: >-
-            EASYSBA_LAPACK_LIBS=openblas
-            INCLUDE=C:\\vcpkg\\installed\\x64-windows\\include
-            LIB=C:\\vcpkg\\installed\\x64-windows\\lib
-            PATH=C:\\vcpkg\\installed\\x64-windows\\bin;${{ env.PATH }}
+          CIBW_ENVIRONMENT_WINDOWS: "EASYSBA_LAPACK_LIBS=openblas INCLUDE=C:\\vcpkg\\installed\\x64-windows\\include LIB=C:\\vcpkg\\installed\\x64-windows\\lib PATH=C:\\vcpkg\\installed\\x64-windows\\bin;${{ env.PATH }}"
         run: python -m cibuildwheel --output-dir wheelhouse
 
       - name: Upload wheels