[Hotfix] Update go-utils vendor

Merge pull request TheThingsArchive#552 from TheThingsNetwork/develop

v2.6.1

Merge pull request TheThingsArchive#537 from TheThingsNetwork/develop

v2.6.0

Merge branch 'develop'

Merge branch 'develop'

Merge branch 'develop'

Merge branch 'develop'

Merge branch 'develop'

Merge pull request TheThingsArchive#457 from TheThingsNetwork/develop

v2.4.1

Merge pull request TheThingsArchive#451 from TheThingsNetwork/develop

v2.4.0