Drop support for Ruby 3.0, update README

Author: cllns

.github/workflows/ci.yml

@@ -27,7 +27,6 @@ jobs:
           - "3.3"
           - "3.2"
           - "3.1"
-          - "3.0"
     env:
       POSTGRES_BASE_URL: postgres://postgres:password@localhost:5432/hanami_cli_test
     steps:

README.md

@@ -1,8 +1,10 @@
 # Hanami::CLI
 
-CLI commands for [full-stack Hanami applications](`https://github.com/hanami/hanami`).
+This library contains all of the CLI commands for [full-stack Hanami applications](`https://github.com/hanami/hanami`).
 
-**NOTE**: For versions 0.4 and below, there was a general purpose CLI utility library with this same name. That library has since been renamed to [dry-rb/dry-cli](https://github.com/dry-rb/dry-cli). Please update your Gemfiles accordingly.
+**NOTE**: For versions 0.4 and below, there was a general purpose CLI utility library with this name.
+That library has since been renamed to [dry-rb/dry-cli](https://github.com/dry-rb/dry-cli).
+Please update your Gemfiles accordingly.
 
 ## Status
 
@@ -15,12 +17,14 @@ CLI commands for [full-stack Hanami applications](`https://github.com/hanami/han
 - Home page: http://hanamirb.org
 - Mailing List: http://hanamirb.org/mailing-list
 - Bugs/Issues: https://github.com/hanami/cli/issues
-- Support: http://stackoverflow.com/questions/tagged/hanami
+* API Doc: http://rubydoc.info/gems/hanami-cli
 - Chat: http://chat.hanamirb.org
 
-## Rubies
+## Installation
 
-**Hanami::CLI** supports Ruby (MRI) 3.0+
+**Hanami::CLI** supports Ruby (MRI) 3.1+
+
+This library is a dependency of the main `hanami` gem, so installing that is the best way to get and use this gem.
 
 ## Usage
 
@@ -44,4 +48,4 @@ Everyone interacting in the `Hanami::CLI` project's codebases, issue trackers, c
 
 ## Copyright
 
-Copyright © 2014 Hanami Team – Released under MIT License
+Copyright © 2014–2024 Hanami Team – Released under MIT License

hanami-cli.gemspec

@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   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 "bundler", "~> 2.1"
   spec.add_dependency "dry-cli", "~> 1.0", "< 2"