fix: make lotus soup use the correct dependencies

[Stebalien]

1. Add a replace directive for lotus.
2. Make sure we're not depending on commits that don't exist.

[codecov]

Codecov Report

Merging #7221 (0789a29) into master (3e450b8) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #7221      +/-   ##
==========================================
- Coverage   38.99%   38.99%   -0.01%     
==========================================
  Files         607      607              
  Lines       64625    64625              
==========================================
- Hits        25202    25199       -3     
- Misses      35028    35031       +3     
  Partials     4395     4395              

Impacted Files	Coverage Δ
storage/addresses.go	55.95% <0.00%> (-8.34%)	⬇️
chain/actors/builtin/paych/paych.go	16.88% <0.00%> (-5.20%)	⬇️
extern/sector-storage/manager_calltracker.go	57.70% <0.00%> (-4.85%)	⬇️
chain/exchange/client.go	53.67% <0.00%> (-1.74%)	⬇️
paychmgr/simple.go	80.86% <0.00%> (-0.31%)	⬇️
chain/sync.go	61.42% <0.00%> (ø)
storage/wdpost_changehandler.go	98.11% <0.00%> (ø)
extern/sector-storage/stores/local.go	59.25% <0.00%> (ø)
chain/messagepool/selection.go	80.52% <0.00%> (+0.40%)	⬆️
chain/messagepool/messagepool.go	57.54% <0.00%> (+0.61%)	⬆️
... and 4 more

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