Bump github.com/spf13/viper from 1.4.0 to 1.7.1

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.4.0 to 1.7.1.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](spf13/viper@v1.4.0...v1.7.1)

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

go.mod

@@ -9,18 +9,18 @@ require (
 	github.com/gocql/gocql v0.0.0-20200815110948-5378c8f664e9
 	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // indirect
 	github.com/hashicorp/golang-lru v0.5.3 // indirect
-	github.com/jackc/pgx/v4 v4.8.1
+	github.com/jackc/pgx/v4 v4.10.1
 	github.com/jmespath/go-jmespath v0.3.0 // indirect
 	github.com/mattn/go-sqlite3 v1.14.6
-	github.com/onsi/gomega v1.8.1
+	github.com/onsi/gomega v1.10.5
 	github.com/pkg/errors v0.9.1
 	github.com/spf13/cobra v0.0.5
 	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.4.0
-	github.com/stretchr/testify v1.5.1
+	github.com/spf13/viper v1.7.1
+	github.com/stretchr/testify v1.7.0
 	github.com/xo/dburl v0.0.0-20200124232849-e9ec94f52bc3
 	go.uber.org/zap v1.16.0
-	gopkg.in/yaml.v2 v2.2.8
+	gopkg.in/yaml.v2 v2.3.0
 	k8s.io/api v0.18.0
 	k8s.io/apiextensions-apiserver v0.18.0
 	k8s.io/apimachinery v0.18.0