Update module pkg/errors to v0.8.1 - autoclosed

Created by: renovate[bot]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
github.com/pkg/errors	require	patch	v0.8.1	source

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Release Notes

pkg/errors

v0.8.1

Compare Source

pkg/errors 0.8.1 is a bug fix release for errors 0.8.0. It will be the last version to support Go 1.8 and below. pkg/errors 0.9 and above will require Go 1.9 for the new runtime.CallersFrames API.

pkg/errors 0.8.1 also adds one new feature, errors.WithMessagef. Ideally this would be held over til 0.9, but that complicates the switch to runtime.CallersFrames.

Improvements

• Added errors.WithMessagef. Thanks @​chemicL.

Bugs fixed

• .travis.yml. Adjust Go versions. Thanks @​AlekSi, @​dvrkps, @​HaraldNordgren, and @​komuw
• Fixed gofmt. Thanks @​tariq1890
• Copyedit the package documentation. Thanks @​seh, @​TomSweeneyRedHat, @​nicksnyder, and @​beono
• Remove unreachable code. Thanks @​philoserf and @​haya14busa
• Move benchmark error sink to global variable. Thanks @​bradleyfalzon
• Fix minor newline consistency issues in test files. Thanks @​nmiyake
• Add doc comment for exported Format func. Thanks @​mrhwick and @​ihrwein

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