reduce cibw verbosity

Author: lgray

.github/workflows/ci.yml

@@ -170,7 +170,7 @@ jobs:
         env:
           CIBW_ARCHS: ${{ matrix.arch }}
           CIBW_BUILD: cp${{ matrix.python }}-*
-          CIBW_BUILD_VERBOSITY: 2
+          CIBW_BUILD_VERBOSITY: 1
           CIBW_CONFIG_SETTINGS_WINDOWS: >
             "cmake.define.GMP_DLL_TO_COPY"="C:\\vcpkg\\packages\\gmp_x64-windows\\bin\\gmp-10.dll"
             "cmake.define.unofficial-getopt-win32_DIR"="C:\\vcpkg\\packages\\getopt-win32_x64-windows\\share\\unofficial-getopt-win32"