Pin Python version to 3.13 to avoid PyO3 compatibility issues

Co-authored-by: sophiagavrila <57912010+sophiagavrila@users.noreply.github.com>

Author: Copilot

.github/workflows/pyright.yaml

@@ -16,7 +16,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
-        python-version: '3.x'
+        python-version: '3.13'
     - name: Install uv
       uses: astral-sh/setup-uv@v5
     - name: Install dependencies

.github/workflows/pytest.yaml

@@ -22,7 +22,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
-        python-version: '3.x'
+        python-version: ${{ matrix.python-version }}
     - name: Install uv
       uses: astral-sh/setup-uv@v5
     - name: Install dependencies

.github/workflows/ruff.yaml

@@ -16,7 +16,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
-        python-version: '3.x'
+        python-version: '3.13'
     - name: Install uv
       uses: astral-sh/setup-uv@v5
     - name: Install dependencies