ci: fix goimports lint in CI

[Thegaram]

1. Purpose or design rationale of this PR

Use Go 1.18 for goimports-lint only to maintain the original formatting. We can reformat once later in another PR.

2. PR title

Your PR title must follow conventional commits (as we are doing squash merge for each PR), so it must start with one of the following types:

• ci: Changes to our CI configuration files and scripts (example scopes: vercel, github, cypress)

3. Deployment tag versioning

Has the version in params/version.go been updated?

• This PR doesn't involve a new deployment, git tag, docker image tag, and it doesn't affect traces
• Yes

4. Breaking change label

Does this PR have the breaking-change label?

• This PR is not a breaking change
• Yes

[HAOYUatHZ]

maybe disable go mod tidy then we are good to go