Add a nightly run of the test suite against chia-blockchain at main

[hoffmang9]

No description provided.

[hoffmang9]

And another bug uncovered - this time it's in the in memory db test change - Chia-Network/chia-blockchain#16637:

ImportError while loading conftest '/home/runner/work/CAT-admin-tool/CAT-admin-tool/tests/conftest.py'.
tests/conftest.py:6: in <module>
    from chia.simulator.setup_nodes import setup_simulators_and_wallets_service
venv/lib/python3.10/site-packages/chia/simulator/setup_nodes.py:24: in <module>
    from chia.simulator.setup_services import (
venv/lib/python3.10/site-packages/chia/simulator/setup_services.py:57: in <module>
    from tests.util.db_connection import generate_in_memory_db_uri
E   ModuleNotFoundError: No module named 'tests'
Error: Process completed with exit code 4.

[AmineKhaldi]

And another bug uncovered - this time it's in the in memory db test change - Chia-Network/chia-blockchain#16637:

ImportError while loading conftest '/home/runner/work/CAT-admin-tool/CAT-admin-tool/tests/conftest.py'.
tests/conftest.py:6: in <module>
    from chia.simulator.setup_nodes import setup_simulators_and_wallets_service
venv/lib/python3.10/site-packages/chia/simulator/setup_nodes.py:24: in <module>
    from chia.simulator.setup_services import (
venv/lib/python3.10/site-packages/chia/simulator/setup_services.py:57: in <module>
    from tests.util.db_connection import generate_in_memory_db_uri
E   ModuleNotFoundError: No module named 'tests'
Error: Process completed with exit code 4.

I sent an addendum PR #16752, shortly after the original PR #16637, that should address this.

[wjblanke]

aok