feat(security): add leakhound to security libraries list (#6109)

Author: nilpoona

README.md

@@ -2318,6 +2318,7 @@ _Libraries that are used to help make your application more secure._
 - [goArgonPass](https://github.com/dwin/goArgonPass) - Argon2 password hash and verification designed to be compatible with existing Python and PHP implementations.
 - [goSecretBoxPassword](https://github.com/dwin/goSecretBoxPassword) - A probably paranoid package for securely hashing and encrypting passwords.
 - [Interpol](https://github.com/avahidi/interpol) - Rule-based data generator for fuzzing and penetration testing.
+- [leakhound](https://github.com/nilpoona/leakhound) - Static analysis tool to detect accidental logging of sensitive struct fields, preventing data leaks in logs.
 - [lego](https://github.com/go-acme/lego) - Pure Go ACME client library and CLI tool (for use with Let's Encrypt).
 - [luks.go](https://github.com/anatol/luks.go) - Pure Golang library to manage LUKS partitions.
 - [memguard](https://github.com/awnumar/memguard) - A pure Go library for handling sensitive values in memory.