Bump gopkg.in/yaml.v2 from 2.2.4 to 2.2.8

Bumps [gopkg.in/yaml.v2](https://github.com/go-yaml/yaml) from 2.2.4 to 2.2.8.
- [Release notes](https://github.com/go-yaml/yaml/releases)
- [Commits](go-yaml/yaml@v2.2.4...v2.2.8)

---
updated-dependencies:
- dependency-name: gopkg.in/yaml.v2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -7,15 +7,14 @@ require (
 	github.com/hpcloud/tail v1.0.0
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/olekukonko/tablewriter v0.0.1
-	github.com/ryanuber/columnize v2.1.0+incompatible
 	github.com/shurcooL/graphql v0.0.0-20181231061246-d48a9a75455f
 	github.com/skratchdot/open-golang v0.0.0-20190402232053-79abb63cd66e
 	github.com/spf13/cobra v0.0.5
 	github.com/spf13/viper v1.5.0
 	golang.org/x/crypto v0.0.0-20191029031824-8986dd9e96cf
 	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4
 	golang.org/x/sys v0.0.0-20190412213103-97732733099d
-	gopkg.in/yaml.v2 v2.2.4
+	gopkg.in/yaml.v2 v2.2.8
 )
 
 require (

go.sum

@@ -89,8 +89,6 @@ github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7z
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
-github.com/ryanuber/columnize v2.1.0+incompatible h1:j1Wcmh8OrK4Q7GXY+V7SVSY8nUWQxHW5TkBe7YUl+2s=
-github.com/ryanuber/columnize v2.1.0+incompatible/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
 github.com/shurcooL/graphql v0.0.0-20181231061246-d48a9a75455f h1:tygelZueB1EtXkPI6mQ4o9DQ0+FKW41hTbunoXZCTqk=
 github.com/shurcooL/graphql v0.0.0-20181231061246-d48a9a75455f/go.mod h1:AuYgA5Kyo4c7HfUmvRGs/6rGlMMV/6B1bVnB9JxJEEg=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
@@ -174,6 +172,7 @@ gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWD
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=