bump: golang-ci-lint-action

[faddat]

Basically, start with stuff that's easy.

• Bump golangci/golangci-lint-action from 3 to 4
• update lint action
• do the easy stuff first....

replaces #966

[faddat]

ah, interchaintest is flaky like normal

why have unreliable tests?

[dimiandre]

tests are now passing