Bump github.com/spf13/viper from 1.14.0 to 1.15.0 (#61)

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.14.0 to 1.15.0.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](spf13/viper@v1.14.0...v1.15.0)

---
updated-dependencies:
- dependency-name: github.com/spf13/viper
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

go.mod

@@ -13,9 +13,8 @@ require (
 	github.com/satori/go.uuid v1.2.0
 	github.com/sirupsen/logrus v1.9.0
 	github.com/spf13/cobra v1.6.1
-	github.com/spf13/viper v1.14.0
+	github.com/spf13/viper v1.15.0
 	gopkg.in/yaml.v2 v2.4.0
-	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
@@ -29,24 +28,23 @@ require (
 	github.com/inconshreveable/mousetrap v1.0.1 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/labstack/gommon v0.4.0 // indirect
-	github.com/magiconair/properties v1.8.6 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.16 // indirect
 	github.com/mattn/go-sqlite3 v1.14.0 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/onsi/ginkgo v1.16.5 // indirect
 	github.com/onsi/gomega v1.19.0 // indirect
-	github.com/pelletier/go-toml v1.9.5 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.5 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
 	github.com/prometheus/client_model v0.3.0 // indirect
 	github.com/prometheus/common v0.37.0 // indirect
 	github.com/prometheus/procfs v0.8.0 // indirect
-	github.com/spf13/afero v1.9.2 // indirect
+	github.com/spf13/afero v1.9.3 // indirect
 	github.com/spf13/cast v1.5.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/subosito/gotenv v1.4.1 // indirect
+	github.com/subosito/gotenv v1.4.2 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
 	golang.org/x/crypto v0.2.0 // indirect
@@ -56,4 +54,5 @@ require (
 	golang.org/x/time v0.2.0 // indirect
 	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )