Support Rails 8.1

[zhuravel]

Changes:

• Added support for Rails 8.1
• Removed support for EOL Ruby versions (< 3.2)
• Removed support for EOL Rails versions (< 7.2)
• Fixed badge in README.md that was not updated after migration from Travis CI
• Replaced Module.send :include with Module.include (method is public since Ruby 2.1 released in 2013)

For those who need to use this fix before the PR is merged, you can add the gem to your Gemfile like this:

gem "authlogic", github: "binarylogic/authlogic", ref: "refs/pull/782/head"

[ashkulz]

Would appreciate your merging this and making a release, @binarylogic 🙂

[brendon]

Thanks @zhuravel, great to see this all updated :)

[ashkulz]

@brendon the author of the PR is @zhuravel, I'm just another bystander waiting for it to get merged 🙂