v1.5.0

• Crystal 1.12.0 support 🎉
• Allow HTTP::Server::Context#redirect to take an URL #659. Thanks @xendk 🙏
• Bump exception_page dependency #669. Thanks @Sija 🙏
• Add message support to Kemal::Exceptions::CustomException #671. Thanks @sdogruyol 🙏
• Add Date header to HTTP responses #676. Thanks @Sija 🙏