Turn off frozen in uv sync and pin python to 3.12.12

Signed-off-by: Rahul Krishna <rkrsn@ibm.com>

Author: rahlk

.github/workflows/mkdocs-deploy.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Clone python-sdk
         run: git clone --depth 1 https://github.com/codellm-devkit/python-sdk.git ../python-sdk
       - name: Install Dependencies
-        run: uv sync --frozen
+        run: uv sync
       - name: Install python-sdk into uv venv
         run: uv pip install -e ../python-sdk
       - name: Deploy docs