CI: build and test for v3.11, and every platform, triggered on code p…

…ush.

.github/workflows/build_and_test.yml

@@ -0,0 +1,17 @@
+name: Build and test
+
+on: push
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, windows-2019, macos-11]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build wheels
+        uses: pypa/[email protected]