Drop support for Ruby 3.0, update README

.github/workflows/ci.yml

@@ -1,6 +1,6 @@
 name: ci
 
-"on":
+on:
  push:
  paths:
  - ".github/workflows/ci.yml"
@@ -28,15 +28,7 @@ jobs:
  - "3.3"
  - "3.2"
  - "3.1"
- - "3.0"
  steps:
- - uses: ravsamhq/notify-slack-action@v1
- if: always()
- with:
- status: ${{ job.status }}
- notify_when: "failure"
- env:
- SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
  - uses: actions/checkout@v4
  - name: Install package dependencies
  run: "[ -e $APT_DEPS ] || sudo apt-get install -y --no-install-recommends $APT_DEPS"

README.md

@@ -1,35 +1,27 @@
 # Hanami::Router
 
-Rack compatible, lightweight and fast HTTP Router for Ruby and [Hanami](http://hanamirb.org).
-
-## Version
-
-**This branch contains the code for `hanami-router` 2.x.**
+Rack compatible, lightweight, and fast HTTP Router for Ruby and [Hanami](http://hanamirb.org).
 
 ## Status
 
 [![Gem Version](https://badge.fury.io/rb/hanami-router.svg)](https://badge.fury.io/rb/hanami-router)
-[![CI](https://github.com/hanami/router/workflows/ci/badge.svg?branch=main)](https://github.com/hanami/router/actions?query=workflow%3Aci+branch%3Amain)
+[![CI](https://github.com/hanami/router/actions/workflows/ci.yml/badge.svg)](https://github.com/hanami/router/actions?query=workflow%3Aci+branch%3Amain)
 [![Test Coverage](https://codecov.io/gh/hanami/router/branch/main/graph/badge.svg)](https://codecov.io/gh/hanami/router)
 [![Depfu](https://badges.depfu.com/badges/5f6b8e8fa3b0d082539f0b0f84d55960/overview.svg)](https://depfu.com/github/hanami/router?project=Bundler)
-[![Inline Docs](http://inch-ci.org/github/hanami/router.svg)](http://inch-ci.org/github/hanami/router)
 
 ## Contact
 
 * Home page: http://hanamirb.org
 * Mailing List: http://hanamirb.org/mailing-list
-* API Doc: http://rdoc.info/gems/hanami-router
+* API Doc: http://rubydoc.info/gems/hanami-router
 * Bugs/Issues: https://github.com/hanami/router/issues
-* Support: http://stackoverflow.com/questions/tagged/hanami
 * Chat: http://chat.hanamirb.org
 
-## Rubies
-
-__Hanami::Router__ supports Ruby (MRI) 3.0+
-
 
 ## Installation
 
+__Hanami::Router__ supports Ruby (MRI) 3.1.+
+
 Add this line to your application's Gemfile:
 
 ```ruby
@@ -365,4 +357,4 @@ __Hanami::Router__ uses [Semantic Versioning 2.0.0](http://semver.org)
 
 ## Copyright
 
-Copyright © 2014 Hanami Team – Released under MIT License
+Copyright © 2014–2024 Hanami Team – Released under MIT License

hanami-router.gemspec

@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
  spec.executables = []
  spec.require_paths = ["lib"]
  spec.metadata["rubygems_mfa_required"] = "true"
- spec.required_ruby_version = ">= 3.0"
+ spec.required_ruby_version = ">= 3.1"
 
  spec.add_dependency "rack", "~> 2.0"
  spec.add_dependency "mustermann", "~> 3.0"