Implement RawRange query

[chipshort]

related to CosmWasm/wasmvm#667

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 45.23%. Comparing base (6ff32cc) to head (e1bc372).
Report is 13 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2263      +/-   ##
==========================================
+ Coverage   45.03%   45.23%   +0.20%     
==========================================
  Files          80       80              
  Lines       11034    11075      +41     
==========================================
+ Hits         4969     5010      +41     
  Misses       5626     5626              
  Partials      439      439              

Files with missing lines	Coverage Δ
x/wasm/keeper/keeper.go	78.99% <100.00%> (+0.58%)	⬆️
x/wasm/keeper/query_plugins.go	60.60% <100.00%> (+1.39%)	⬆️

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[pinosu]

Really nice!

LGTM 💯