Drop support for Ruby 3.0, update README

.github/workflows/ci.yml

@@ -27,15 +27,7 @@ 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@v1
       - name: Install package dependencies
         run: "[ -e $APT_DEPS ] || sudo apt-get install -y --no-install-recommends $APT_DEPS"

README.md

@@ -5,23 +5,20 @@ RSpec and testing support for [Hanami applications](https://github.com/hanami/ha
 ## Status
 
 [![Gem Version](https://badge.fury.io/rb/hanami-rspec.svg)](https://badge.fury.io/rb/hanami-rspec)
-[![CI](https://github.com/hanami/rspec/workflows/ci/badge.svg?branch=main)](https://github.com/hanami/rspec/actions?query=workflow%3Aci+branch%3Amain)
+[![CI](https://github.com/hanami/rspec/actions/workflows/ci.yml/badge.svgch=main)](https://github.com/hanami/rspec/actions?query=workflow%3Aci+branch%3Amain)
 [![Depfu](https://badges.depfu.com/badges/a8545fb67cf32a2c75b6227bc0821027/overview.svg)](https://depfu.com/github/hanami/rspec?project=Bundler)
 
 ## Contact
 
 - Home page: http://hanamirb.org
 - Mailing List: http://hanamirb.org/mailing-list
 - Bugs/Issues: https://github.com/hanami/rspec/issues
-- Support: http://stackoverflow.com/questions/tagged/hanami
 - Chat: http://chat.hanamirb.org
 
-## Rubies
-
-**Hanami::RSpec** supports Ruby (MRI) 3.0+
-
 ## Installation
 
+**Hanami::RSpec** supports Ruby (MRI) 3.1+
+
 Add this line to your application's Gemfile:
 
 ```ruby
@@ -57,4 +54,4 @@ Everyone interacting in the `Hanami::RSpec` project's codebases, issue trackers,
 
 ## Copyright
 
-Copyright © 2014 Hanami Team – Released under MIT License
+Copyright © 2014–2024 Hanami Team – Released under MIT License

hanami-rspec.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description   = "Hanami RSpec generators and Rake tasks"
   spec.homepage      = "https://hanamirb.org"
   spec.license       = "MIT"
-  spec.required_ruby_version = Gem::Requirement.new(">= 3.0.0")
+  spec.required_ruby_version = ">= 3.1"
 
   spec.metadata["allowed_push_host"] = "https://rubygems.org"