Merge branch 'bugfixes_and_improvements' into 'main'

pyproject.toml

src/python_spectrometer/_plot_manager.py

src/python_spectrometer/core.py

src/python_spectrometer/daq/settings.py

src/python_spectrometer/daq/simulator.py

src/python_spectrometer/daq/zurich_instruments.py

tests/test_daq_settings.py

tests/test_serialization.py