apply cosmos-sdk proto updates

[yun-yeo]

Summary of changes

Apply cosmos proto changes

Critical Change is
from /cosmos/bank/v1beta1/balances/{address}/{denom}
to /cosmos/bank/v1beta1/balances/{address}/by_denom?denom={denom}

Report of required housekeeping

• Github issue OR spec proposal link
• Wrote tests
• Updated API documentation (client/lcd/swagger-ui/swagger.yaml)
• Added a relevant changelog entry: clog add [section] [stanza] [message]

---

(FOR ADMIN) Before merging

• Added appropriate labels to PR
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)
• Confirm added tests are consistent with the intended behavior of changes
• Ensure all tests pass

[codecov]

Codecov Report

Merging #658 (2a156b7) into main (0c293aa) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #658   +/-   ##
=======================================
  Coverage   44.63%   44.63%           
=======================================
  Files         120      120           
  Lines        6999     6999           
=======================================
  Hits         3124     3124           
  Misses       3630     3630           
  Partials      245      245