Bump github.com/sirupsen/logrus from 1.7.0 to 1.8.1 (#277)

Bumps [github.com/sirupsen/logrus](https://github.com/sirupsen/logrus) from 1.7.0 to 1.8.1.
- [Release notes](https://github.com/sirupsen/logrus/releases)
- [Changelog](https://github.com/sirupsen/logrus/blob/master/CHANGELOG.md)
- [Commits](sirupsen/logrus@v1.7.0...v1.8.1)

---
updated-dependencies:
- dependency-name: github.com/sirupsen/logrus
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -37,7 +37,7 @@ require (
 	github.com/sebest/xff v0.0.0-20160910043805-6c115e0ffa35
 	github.com/segmentio/backo-go v0.0.0-20200129164019-23eae7c10bd3 // indirect
 	github.com/shopify/logrus-bugsnag v0.0.0-20171204204709-577dee27f20d
-	github.com/sirupsen/logrus v1.7.0
+	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/afero v1.2.2 // indirect
 	github.com/spf13/cobra v0.0.4-0.20190321000552-67fc4837d267
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
@@ -51,7 +51,7 @@ require (
 	gopkg.in/DataDog/dd-trace-go.v1 v1.31.1
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/ghodss/yaml.v1 v1.0.0 // indirect
-	gopkg.in/launchdarkly/go-sdk-common.v1 v1.0.0-20200401173443-991b2f427a01 // indirect
+	gopkg.in/launchdarkly/go-sdk-common.v1 v1.0.0-20200401173443-991b2f427a01
 	gopkg.in/launchdarkly/go-server-sdk.v4 v4.0.0-20200729232655-2a44fb361895
 	gopkg.in/segmentio/analytics-go.v3 v3.1.0
 	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776

go.sum

@@ -345,8 +345,9 @@ github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPx
 github.com/sirupsen/logrus v1.4.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
-github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
+github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
+github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=