.github/workflows/dist.yml [Windows]: Build cysignals explicitly with VS

Author: mkoeppe

.github/workflows/dist.yml

@@ -172,7 +172,7 @@ jobs:
       CIBW_PROJECT_REQUIRES_PYTHON: ">=3.9"
       # Run before wheel build
       CIBW_BEFORE_BUILD_WINDOWS: |
-        pip install delvewheel
+        pip install delvewheel build && (cd / && python3 -m build -Csetup-args="--vsenv" cysignals)
       # Environment during wheel build
       # PYTHONUTF8=1 is for delvewheel
       CIBW_ENVIRONMENT: >-
@@ -263,13 +263,13 @@ jobs:
             config.status
             sage-local
           key: >-
-            ${{ runner.os }}-cibuildwheel-${{ matrix.arch }}-build=${{
+            ${{ matrix.os }}-cibuildwheel-${{ matrix.arch }}-build=${{
               hashFiles('build',
                         'configure.ac',
                         'm4')
             }}
           restore-keys: |
-            ${{ runner.os }}-cibuildwheel-${{ matrix.arch }}
+            ${{ matrix.os }}-cibuildwheel-${{ matrix.arch }}
 
       - name: Unpack and prepare
         id: unpack