refactor(proto): use slices instead of maps

[troian]

hashmap might be a cause of inconsistent AppHash

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (be66b66) 3.44% compared to head (db3accb) 3.44%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main     #69   +/-   ##
=====================================
  Coverage   3.44%   3.44%           
=====================================
  Files        276     276           
  Lines      88247   88187   -60     
=====================================
- Hits        3038    3037    -1     
+ Misses     85046   84987   -59     
  Partials     163     163           

Files Changed	Coverage Δ
go/manifest/v2beta2/manifest.go	58.62% <0.00%> (-41.38%)	⬇️
go/node/deployment/v1beta3/params.go	0.00% <0.00%> (ø)
go/node/deployment/v1beta3/params.pb.go	1.73% <0.00%> (+0.11%)	⬆️

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