Test dependencies with Python 3.13 (#843)

* Custom python 3.13 entry in pyproject.toml

* amend

* update

* update

* update

* Update pyproject.toml

* Update pyproject.toml

* Update pyproject.toml

* update

.github/workflows/basic-tests-latest-python.yml

@@ -0,0 +1,51 @@
+name: Test latest PyTorch-compatible Python version
+on:
+  push:
+    branches: [ main ]
+    paths:
+      - '**/*.py'    # Run workflow for changes in Python files
+      - '**/*.ipynb'
+      - '**/*.yaml'
+      - '**/*.yml'
+      - '**/*.sh'
+  pull_request:
+    branches: [ main ]
+    paths:
+      - '**/*.py'
+      - '**/*.ipynb'
+      - '**/*.yaml'
+      - '**/*.yml'
+      - '**/*.sh'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.13"
+
+    - name: Install dependencies
+      run: |
+        curl -LsSf https://astral.sh/uv/install.sh | sh
+        uv sync --dev --python=3.13
+        uv add pytest-ruff nbval
+
+    - name: Test Selected Python Scripts
+      run: |
+        source .venv/bin/activate
+        pytest --ruff setup/02_installing-python-libraries/tests.py
+        pytest --ruff ch04/01_main-chapter-code/tests.py
+        pytest --ruff ch05/01_main-chapter-code/tests.py
+        pytest --ruff ch06/01_main-chapter-code/tests.py
+
+    - name: Validate Selected Jupyter Notebooks
+      run: |
+        source .venv/bin/activate
+        pytest --ruff --nbval ch02/01_main-chapter-code/dataloader.ipynb
+        pytest --ruff --nbval ch03/01_main-chapter-code/multihead-attention.ipynb
+        pytest --ruff --nbval ch02/04_bonus_dataloader-intuition/dataloader-intuition.ipynb