Pyright upgrade

[dbrattli]

• Upgrade Pyright to 1.1.158
• Typing cleanup (no need for typing protocols, finally)

[codecov[bot]]

Codecov Report

Merging #36 (5ab7abb) into main (849af4c) will decrease coverage by 0.08%. The diff coverage is 89.09%.

@@            Coverage Diff             @@
##             main      #36      +/-   ##
==========================================
- Coverage   79.96%   79.87%   -0.09%     
==========================================
  Files          38       38              
  Lines        2251     2241      -10     
==========================================
- Hits         1800     1790      -10     
  Misses        451      451              

Impacted Files	Coverage Δ
expression/core/choice.py	77.77% <33.33%> (ø)
expression/collections/map.py	60.45% <71.42%> (ø)
expression/collections/asyncseq.py	70.49% <100.00%> (ø)
expression/collections/frozenlist.py	76.03% <100.00%> (-0.39%)	:arrow_down:
expression/collections/seq.py	81.36% <100.00%> (-0.15%)	:arrow_down:
expression/core/aiotools.py	62.79% <100.00%> (ø)
expression/core/option.py	88.26% <100.00%> (-0.12%)	:arrow_down:
expression/core/result.py	90.57% <100.00%> (-0.14%)	:arrow_down:
expression/system/error.py	100.00% <100.00%> (ø)