ci: bump cosmos-sdk#18710 because of broken action with v5(v4 is fine)

[jaeseung-bae]

Description

bump: cosmos/cosmos-sdk#18710

• lastest version of labeler has been broken, this PR sets pr-labeler with previous version(v4)

Motivation and context

How has this been tested?

Screenshots (if appropriate):

Checklist:

• I followed the contributing guidelines and code of conduct.
• I have added a relevant changelog to CHANGELOG.md
• I have added tests to cover my changes.
• I have updated the documentation accordingly.
• I have updated API documentation client/docs/swagger-ui/swagger.yaml

[jaeseung-bae]

For reviewers, please ignore failure of action Pull Request Labeler / labeler (pull_request_target)
This PR fixes this github action.

[tkxkd0159]

For reviewers, please ignore failure of action Pull Request Labeler / labeler (pull_request_target) This PR fixes this github action.

I think it's resolved now. link

[jaeseung-bae]

For reviewers, please ignore failure of action Pull Request Labeler / labeler (pull_request_target) This PR fixes this github action.

I think it's resolved now. link

It seems that we need to update labeler.yml to meet v5 syntax.