Bump github.com/spf13/viper from 1.7.1 to 1.8.1

go.mod

@@ -3,16 +3,8 @@ module github.com/vultr/vultr-cli
 go 1.16
 
 require (
-	github.com/pelletier/go-toml v1.8.1 // indirect
-	github.com/spf13/afero v1.5.1 // indirect
-	github.com/spf13/cast v1.3.1 // indirect
 	github.com/spf13/cobra v1.1.3
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
-	github.com/spf13/viper v1.7.1
+	github.com/spf13/viper v1.8.1
 	github.com/vultr/govultr/v2 v2.5.1
-	golang.org/x/oauth2 v0.0.0-20210126194326-f9ce19ea3013
-	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c // indirect
-	golang.org/x/text v0.3.5 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	gopkg.in/ini.v1 v1.62.0 // indirect
+	golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602
 )