Ruby 4.0 (#210)

Author: biow0lf

.github/workflows/rspec.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.4", "4.0", "head"]
+        ruby: ["4.0", "head"]
 
     steps:
       - name: Harden the runner (Audit all outbound calls)

.rubocop.yml

@@ -5,7 +5,7 @@ plugins:
   - rubocop-disable_syntax
 
 AllCops:
-  TargetRubyVersion: 3.4
+  TargetRubyVersion: 4.0
   NewCops: enable
 
 # We use standard as a linter and formatter instead Rubocop.

.standard.yml

@@ -1 +1 @@
-ruby_version: 3.4
+ruby_version: 4.0

Gemfile.lock

@@ -137,4 +137,4 @@ CHECKSUMS
   unicode-emoji (4.2.0) sha256=519e69150f75652e40bf736106cfbc8f0f73aa3fb6a65afe62fefa7f80b0f80f
 
 BUNDLED WITH
-  4.0.8
+  4.0.10

errbit_plugin.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description = "Base to create an errbit plugin"
   spec.homepage = "https://github.com/errbit/errbit_plugin"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.4.0"
+  spec.required_ruby_version = ">= 4.0.0"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage