dependency: bump dependabot-omnibus from 0.159.0 to 0.159.1

Bumps dependabot-omnibus from 0.159.0 to 0.159.1.

Changelog

Sourced from dependabot-omnibus's changelog.

v0.159.1, 12 August 2021

• gomod: Handle errors where go module dependencies are unreachable #4130

Commits

• a43120e v0.159.1
• c60f275 Merge pull request #4130 from dependabot/mctofu/go-modules-unreachable
• a43f94a Restore accidentally removed spacing
• aed644d Handle error when a sub dependency with pseudo version is not reachable
• 43a1e69 Rubocop cleanup
• c067960 Handle error when a sub dependency is not reachable
• e27133f Add tests for unreachable dependencies in the project go.mod
• 7f03508 Merge pull request #4122 from dependabot/v0.159.0-release-notes
• See full diff in compare view

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