Bump github.com/mitchellh/mapstructure from 1.1.2 to 1.2.2

Bumps [github.com/mitchellh/mapstructure](https://github.com/mitchellh/mapstructure) from 1.1.2 to 1.2.2.
- [Release notes](https://github.com/mitchellh/mapstructure/releases)
- [Changelog](https://github.com/mitchellh/mapstructure/blob/master/CHANGELOG.md)
- [Commits](mitchellh/mapstructure@v1.1.2...v1.2.2)

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

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/golang/mock v1.4.0
 	github.com/hashicorp/go-multierror v1.0.0
 	github.com/jinzhu/copier v0.0.0-20190625015134-976e0346caa8
-	github.com/mitchellh/mapstructure v1.1.2
+	github.com/mitchellh/mapstructure v1.2.2
 	github.com/sirupsen/logrus v1.4.2
 	github.com/spf13/cobra v0.0.6
 	github.com/spf13/viper v1.6.2

go.sum

@@ -129,6 +129,8 @@ github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
+github.com/mitchellh/mapstructure v1.2.2 h1:dxe5oCinTXiTIcfgmZecdCzPmAJKd46KsCWc35r0TV4=
+github.com/mitchellh/mapstructure v1.2.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=