feat: add historic pricing info to leverage queries

[toteki]

Description

closes: #XXXX

---

Author Checklist

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
• added appropriate labels to the PR
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• added a changelog entry to CHANGELOG.md
• included comments for documenting Go code
• updated the relevant documentation or specification
• reviewed "Files changed" and left comments if necessary
• confirmed all CI checks have passed

Reviewers Checklist

All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed the correct type prefix in the PR title
• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[codecov-commenter]

Codecov Report

Merging #1711 (d133e56) into main (fde1656) will increase coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1711      +/-   ##
==========================================
+ Coverage   58.10%   58.18%   +0.07%     
==========================================
  Files          73       73              
  Lines        7896     7911      +15     
==========================================
+ Hits         4588     4603      +15     
  Misses       2953     2953              
  Partials      355      355              

Impacted Files	Coverage Δ
x/leverage/types/msgs.go	9.09% <ø> (ø)
x/leverage/client/tests/tests.go	100.00% <100.00%> (ø)
x/leverage/keeper/grpc_query.go	65.78% <100.00%> (+0.93%)	⬆️
x/oracle/keeper/grpc_query.go	92.46% <100.00%> (+0.07%)	⬆️

[gsk967]

LGTM