Minor linting tweaks

[jamietanna]

As per discussion on Slack, a few minor tweaks that would be picked up by common linting rules in Go projects.

References

• N/A

Submitter checklist

• The PR request is well described and justified, including the body and the references
• The PR title represents the desired changelog entry
• The repository's code style is followed (see the contributing guide) Note there doesn't seem to be one?
• Test coverage that demonstrates that the change works as expected
• For new features, there's necessary documentation in this pull request or in a subsequent PR to wiremock.org

[oleg-nenashev]

Thank you @jamietanna!

[jamietanna]

You're welcome - is there anything else we need to do for reviews or to get it merged? I don't have commit access

[oleg-nenashev]

Nope, merged it! If you are interested in becoming a co-maintainer for this component, no objections as well 😄