Update dependencies (#1813)

vendor/github.com/spf13/viper/internal/encoding/yaml/yaml2.go

@@ -0,0 +1,14 @@
+//go:build !viper_yaml3
+// +build !viper_yaml3
+
+package yaml
+
+import yamlv2 "gopkg.in/yaml.v2"
+
+var yaml = struct {
+	Marshal   func(in interface{}) (out []byte, err error)
+	Unmarshal func(in []byte, out interface{}) (err error)
+}{
+	Marshal:   yamlv2.Marshal,
+	Unmarshal: yamlv2.Unmarshal,
+}