Respect uv lockfile to avoid getting new ty versions randomly

Author: SteveSandersonMS

.github/workflows/python-sdk-tests.yml

@@ -61,7 +61,7 @@ jobs:
           enable-cache: true
 
       - name: Install Python dev dependencies
-        run: uv sync --all-extras --dev
+        run: uv sync --all-extras --dev --frozen
 
       - name: Install Node.js dependencies (for CLI in tests)
         working-directory: ./nodejs