Bump github.com/gookit/config/v2 from 2.1.8 to 2.2.2

Bumps [github.com/gookit/config/v2](https://github.com/gookit/config) from 2.1.8 to 2.2.2.
- [Release notes](https://github.com/gookit/config/releases)
- [Commits](https://github.com/gookit/config/compare/v2.1.8...v2.2.2)

---
updated-dependencies:
- dependency-name: github.com/gookit/config/v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/github.com/gookit/goutil/structs/structs.go

@@ -1,7 +1,15 @@
 // Package structs Provide some extends util functions for struct. eg: tag parse, struct init, value set
 package structs
 
-// MapStruct simple copy src struct value to dst struct
-// func MapStruct(srcSt, dstSt any) {
-// 	// TODO
-// }
+// IsExported field name on struct
+func IsExported(name string) bool {
+	return name[0] >= 'A' && name[0] <= 'Z'
+}
+
+// IsUnexported field name on struct
+func IsUnexported(name string) bool {
+	if name[0] == '_' {
+		return true
+	}
+	return name[0] >= 'a' && name[0] <= 'z'
+}