🚧 update Tier 1 tests to install llama_stack_api from llamastack repo

Author: m-misiura

.github/workflows/test-unit-scheduled.yml

@@ -22,7 +22,8 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install git+https://github.com/meta-llama/llama-stack.git@main
+          python -m pip install git+https://github.com/llamastack/llama-stack.git@main#subdirectory=src/llama_stack
+          python -m pip install git+https://github.com/llamastack/llama-stack.git@main#subdirectory=src/llama_stack_api
           python -m pip install -e . --no-deps
           python -m pip install pytest>=7.0.0 pytest-asyncio>=0.21.0 pytest-httpx>=0.21.0 pytest-mock>=3.10.0