Casacore related version fixes

[tjgalvin]

It appears that there are conditions that can (somehow) corrupt large measurement sets when packages across the host virtual environment (python-casacore) and the casacore in the set of singularity containers differ. It is not entirely understood, but the general failure mode is:

• a large-ish MS (>15GB)
• a tool using a new (>3.6) version of casacore is used
• the aoflagger or wsclean containers are then used

The error presents immediately as an error like:

An unhandled exception occurred: FiledesIO::read /path/to/data.ms/table.mf - read returned a bad value

This means very little to me.

The issue seems to be completely avoided by using a casacore that is somewhat consistent between all packages.

No idea what actually goes wrong with the MS, or whether the error is elsewhere. Inspecting the MS through casacore.tables seems to imply things are OK.

Part of this change is to allow pyhton 3.11 as well.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 33.33333% with 4 lines in your changes missing coverage. Please review.

Project coverage is 59.17%. Comparing base (d33ebd7) to head (3caf9a8).

Files with missing lines	Patch %	Lines
flint/ms.py	50.00%	2 Missing ⚠️
flint/flagging.py	0.00%	1 Missing ⚠️
flint/selfcal/casa.py	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #170      +/-   ##
==========================================
- Coverage   59.20%   59.17%   -0.03%     
==========================================
  Files          33       33              
  Lines        5530     5536       +6     
==========================================
+ Hits         3274     3276       +2     
- Misses       2256     2260       +4     

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