fix: drop 2.6 support

Author: mrexox

.github/workflows/ruby.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '2.6', '2.7', '3.0', '3.1', '3.2' ]
+        ruby: [ '2.7', '3.0', '3.1', '3.2' ]
     env:
       RUBY_IMAGE: ${{ matrix.ruby }}
     name: Ruby ${{ matrix.ruby }}

.standard.yml

@@ -1 +1 @@
-ruby_version: 2.6
+ruby_version: 2.7

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   ruby:
-    image: ruby:${RUBY_IMAGE:-2.6}-bullseye
+    image: ruby:${RUBY_IMAGE:-2.7}-bullseye
     environment:
       HISTFILE: /app/.bash_history
       BUNDLE_PATH: /bundle

graphql-connections.gemspec

@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
   spec.bindir = "exe"
   spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
-  spec.required_ruby_version = "> 2.5"
+  spec.required_ruby_version = "> 2.6"
 
   spec.add_runtime_dependency "activerecord", ">= 5"
   spec.add_runtime_dependency "graphql", [">= 1.10", "< 3.0"]