Set go-algorand submodule to v3.2.3-stable commit.

[gmalouf]

Summary

With the rollback of go 1.16, needed to set go-algorand submodule to commit from last stable release that itself is on go 1.14.

[codecov-commenter]

Codecov Report

Merging #851 (363f8e7) into develop (014875a) will increase coverage by 0.00%.
The diff coverage is 25.00%.

@@           Coverage Diff            @@
##           develop     #851   +/-   ##
========================================
  Coverage    57.67%   57.68%           
========================================
  Files           35       35           
  Lines         4343     4355   +12     
========================================
+ Hits          2505     2512    +7     
- Misses        1533     1537    +4     
- Partials       305      306    +1     

Impacted Files	Coverage Δ
cmd/algorand-indexer/main.go	27.27% <10.00%> (-1.95%)	⬇️
api/handlers.go	59.83% <100.00%> (+0.98%)	⬆️

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