don't upgrade pydantic for python 3.14

Author: svlandeg

.github/workflows/test.yml

@@ -83,7 +83,7 @@ jobs:
         if: matrix.pydantic-version == 'pydantic-v1'
         run: uv pip install --upgrade "pydantic>=1.10.0,<2.0.0"
       - name: Install Pydantic v2
-        if: matrix.pydantic-version == 'pydantic-v2'
+        if: matrix.pydantic-version == 'pydantic-v2' && matrix.python-version != '3.14'
         run: uv pip install --upgrade "pydantic>=2.0.2,<3.0.0"
       - name: Lint
         if: matrix.pydantic-version == 'pydantic-v2' && matrix.python-version != '3.8'