1.5.1

What's Changed

• Update README.md and add Dead Link Detection article link by @hahwul in #39
• Update Ruby version to 3.4.0 and update dependencies in Gemfile.lock by @hahwul in #40
• Update DeadFinder to version 1.5.1 in README, Dockerfile, and Ruby files by @hahwul in #41
• Refactor Logger class to use mutex for thread-safe silent mode handling by @hahwul in #42

Full Changelog: 1.5.0...1.5.1