fix(deps): update module gitlab.com/gitlab-org/labkit to v1.20.0

This MR contains the following updates:

Package	Type	Update	Change
gitlab.com/gitlab-org/labkit	require	minor	v1.19.0 -> v1.20.0

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Release Notes

gitlab-org/labkit (gitlab.com/gitlab-org/labkit)

v1.20.0

Compare Source

Features

• added related matchers setting (22d6eac)
• grep out go version from go.mod (d82674f)
• support projects where go.mod is not in ./ (469d5b1)

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