475 undo poetry version pin

[dfsp-spirit]

Changes Summary

• undo poetry version pin, see Undo poetry version pinning #475
• also fixes minor issue discovered during testing that the documentation did not build anymore because syncopy.nwanalysis was renamed to syncopy.connectivity, but the old name was still referenced in the docs.

Reviewer Checklist

• Are testing routines present?
• Do objects in the global package namespace perform proper parsing of their input?
• Are all docstrings complete and accurate?
• Is the CHANGELOG.md up to date?

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.15 ⚠️

Comparison is base (4dd57ab) 68.99% compared to head (fb42fc0) 68.84%.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #482      +/-   ##
==========================================
- Coverage   68.99%   68.84%   -0.15%     
==========================================
  Files          84       84              
  Lines       10134    10134              
  Branches     2082     2082              
==========================================
- Hits         6992     6977      -15     
- Misses       2614     2624      +10     
- Partials      528      533       +5     

see 7 files with indirect coverage changes

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[tensionhead]

Nice, thx for the fix!