Update module github.com/spf13/viper to v1.18.1 (#449)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/mholt/archiver/v3 v3.5.1
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.17.0
-	github.com/spf13/viper v1.18.0
+	github.com/spf13/viper v1.18.1
 	go.etcd.io/etcd/client/v3 v3.5.11
 	golang.org/x/crypto v0.16.0
 	google.golang.org/grpc v1.59.0

go.sum

@@ -219,8 +219,8 @@ github.com/spf13/cobra v1.7.0 h1:hyqWnYt1ZQShIddO5kBpj3vu05/++x6tJ6dg8EC572I=
 github.com/spf13/cobra v1.7.0/go.mod h1:uLxZILRyS/50WlhOIKD7W6V5bgeIt+4sICxh6uRMrb0=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/spf13/viper v1.18.0 h1:pN6W1ub/G4OfnM+NR9p7xP9R6TltLUzp5JG9yZD3Qg0=
-github.com/spf13/viper v1.18.0/go.mod h1:EKmWIqdnk5lOcmR72yw6hS+8OPYcwD0jteitLMVB+yk=
+github.com/spf13/viper v1.18.1 h1:rmuU42rScKWlhhJDyXZRKJQHXFX02chSVW1IvkPGiVM=
+github.com/spf13/viper v1.18.1/go.mod h1:EKmWIqdnk5lOcmR72yw6hS+8OPYcwD0jteitLMVB+yk=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=