refactor: using reflect.TypeFor (#2731)

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## Overview

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Try to use better api reflect.TypeFor instead of reflect.TypeOf when we
have known the type.
More info golang/go#60088

Signed-off-by: russcoss <russcoss@outlook.com>

Author: russcoss

pkg/config/config.go

@@ -472,7 +472,7 @@ func loadFromViper(v *viper.Viper, home string) (Config, error) {
 			mapstructure.StringToTimeDurationHookFunc(),
 			mapstructure.StringToSliceHookFunc(","),
 			func(f reflect.Type, t reflect.Type, data any) (any, error) {
-				if t == reflect.TypeOf(DurationWrapper{}) && f.Kind() == reflect.String {
+				if t == reflect.TypeFor[DurationWrapper]() && f.Kind() == reflect.String {
 					if str, ok := data.(string); ok {
 						duration, err := time.ParseDuration(str)
 						if err != nil {

pkg/config/yaml.go

@@ -91,7 +91,7 @@ func (c *Config) SaveAsYaml() error {
 	}
 
 	// process structs fields and comments
-	processFields(reflect.TypeOf(Config{}), "")
+	processFields(reflect.TypeFor[Config](), "")
 
 	data, err := yaml.MarshalWithOptions(c, yaml.WithComment(yamlCommentMap))
 	if err != nil {