chore(deps): bump github.com/golangci/golangci-lint

Bumps [github.com/golangci/golangci-lint](https://github.com/golangci/golangci-lint) from 1.27.0 to 1.31.0.
- [Release notes](https://github.com/golangci/golangci-lint/releases)
- [Changelog](https://github.com/golangci/golangci-lint/blob/master/CHANGELOG.md)
- [Commits](golangci/golangci-lint@v1.27.0...v1.31.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -5,12 +5,12 @@ go 1.13
 require (
 	github.com/gdamore/tcell v1.4.0
 	github.com/go-playground/validator/v10 v10.3.0
-	github.com/golangci/golangci-lint v1.27.0
+	github.com/golangci/golangci-lint v1.31.0
 	github.com/mattn/go-runewidth v0.0.9
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/reviewdog/reviewdog v0.10.2
-	github.com/spf13/cobra v0.0.7
+	github.com/spf13/cobra v1.0.0
 	github.com/spf13/viper v1.7.1
-	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
 	gopkg.in/yaml.v2 v2.3.0
 )