feat: bump cosmos-sdk to v0.26.5

[forcodedancing]

Description

This pr will bump cosmos sdk to v0.26.5 for bug fix.

Rationale

Update dep

Example

NA

Changes

Notable changes:

• go.mod

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (c5f302d) 49.46% compared to head (4ef6e26) 49.46%.

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Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #957   +/-   ##
========================================
  Coverage    49.46%   49.46%           
========================================
  Files          126      126           
  Lines        12570    12570           
========================================
  Hits          6218     6218           
- Misses        5932     5933    +1     
+ Partials       420      419    -1     

see 1 file with indirect coverage changes

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