Change minimum supported Ruby version to 3.0

Author: taylorthurlow

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest]
-        ruby: [2.5, 2.6, 2.7, 3.0, 3.1, 3.2, 3.3, 3.4, head, debug]
+        ruby: [3.0, 3.1, 3.2, 3.3, 3.4, head, debug]
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') || matrix.ruby == 'debug' }}
     env:

.standard.yml

@@ -1 +1 @@
-ruby_version: 2.5
+ruby_version: 3.0

interaktor.gemspec

@@ -9,7 +9,7 @@ Gem::Specification.new do |spec|
   spec.homepage = "https://github.com/taylorthurlow/interaktor"
   spec.license = "MIT"
   spec.files = `git ls-files`.split
-  spec.required_ruby_version = ">= 2.5"
+  spec.required_ruby_version = ">= 3.0"
   spec.require_path = "lib"
 
   spec.add_runtime_dependency "dry-schema", "~> 1.0"