Update to FastCS 0.11

[jsouter]

WIP
Just about fixed test_introspection.py but most other tests are broken

[codecov]

Codecov Report

❌ Patch coverage is 89.69072% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.38%. Comparing base (c14c40f) to head (4ffa215).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/fastcs_eiger/eiger_detector_controller.py	78.37%	8 Missing ⚠️
src/fastcs_eiger/eiger_monitor_controller.py	64.28%	5 Missing ⚠️
src/fastcs_eiger/io.py	91.48%	4 Missing ⚠️
src/fastcs_eiger/__main__.py	0.00%	2 Missing ⚠️
src/fastcs_eiger/eiger_subsystem_controller.py	98.61%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #71      +/-   ##
==========================================
- Coverage   88.10%   83.38%   -4.73%     
==========================================
  Files           5       10       +5     
  Lines         353      355       +2     
==========================================
- Hits          311      296      -15     
- Misses         42       59      +17     

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[GDYendell]

Thanks @jsouter !