IBC rate limit query

[grarco]

Describe your changes

Adds a query to retrieve the ibc rate limit for a specific token.

Checklist before merging

• If this PR has some consensus breaking changes, I added the corresponding breaking:: labels
  • This will require 2 reviewers to approve the changes
• If this PR requires changes to the docs or specs, a corresponding PR is opened in the namada-docs repo
  • Relevant PR if applies:
• If this PR affects services such as namada-indexer or namada-masp-indexer, a corresponding PR is opened in that repo
  • Relevant PR if applies:

[grarco]

An alternative to this function could be to add another path to the TOKEN

namada/crates/sdk/src/queries/vp/token.rs

Line 15 in 9eb747c

router! {TOKEN,

[grarco]

@brentstone I've also added a cli command for the query. Let me know if we only need the sdk function so that I can revert that change

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 14 lines in your changes missing coverage. Please review.

Project coverage is 74.58%. Comparing base (9eb747c) to head (96d7c5a).

Files with missing lines	Patch %	Lines
crates/sdk/src/rpc.rs	0.00%	14 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4246      +/-   ##
==========================================
- Coverage   74.59%   74.58%   -0.02%     
==========================================
  Files         342      342              
  Lines      108771   108785      +14     
==========================================
- Hits        81135    81134       -1     
- Misses      27636    27651      +15     

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[yito88]

Do we need the token's mint limit too? like

namada/crates/ibc/src/storage.rs

Lines 577 to 580 in 9eb747c

	pub fn get_limits<S: StorageRead>(
	storage: &S,
	token: &Address,
	) -> Result<(Amount, Amount)> {