ci: run the native shapes and unit tests on Python 3.14

.github/workflows/python-latest.yml

@@ -0,0 +1,46 @@
+name: Python Latest
+
+on:
+  schedule:
+    - cron: "17 3 * * *"
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - .github/workflows/python-latest.yml
+
+permissions:
+  contents: read
+
+concurrency:
+  group: python-latest-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  native-shapes:
+    name: Native shapes on Python 3.14
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    env:
+      UV_PYTHON: "3.14"
+      MATURIN_PEP517_ARGS: --profile dev
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v5
+        with:
+          version: "0.12.3"
+          enable-cache: true
+          cache-dependency-glob: uv.lock
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+      - uses: Swatinem/rust-cache@v2
+      - name: Install Python
+        run: uv python install "${UV_PYTHON}"
+      - name: Install dependencies
+        run: uv sync --locked --all-groups
+      - name: Confirm the interpreter version
+        run: uv run python -c 'import sys; assert sys.version_info[:2] == (3, 14), sys.version'
+      - name: Check the native shape surface
+        run: make check-shape-surface
+      - name: Run unit tests
+        run: uv run pytest tests/unit -q -n auto