runtime: Add roothash round roots rust state wrappers

[ptrus]

TODO:

• add roothash interoperability tests (as it is done for most other state wrappers)

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (725c84a) 66.51% compared to head (0039ebf) 66.84%.
Report is 1 commits behind head on master.

Files	Patch %	Lines
go/consensus/cometbft/apps/roothash/state/state.go	44.44%	0 Missing and 5 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5457      +/-   ##
==========================================
+ Coverage   66.51%   66.84%   +0.33%     
==========================================
  Files         533      533              
  Lines       56390    56390              
==========================================
+ Hits        37505    37694     +189     
+ Misses      14484    14289     -195     
- Partials     4401     4407       +6     

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[kostko]

Also please backport this, so we can have it available in the SDK early. Maybe as part of (or after) #5454.