feat: drop Ruby 2.7 (#990)

* feat: drop Ruby 2.7

* remove unused azure

Author: KazuCocoa

.azure-pipelines.yml

@@ -11,12 +11,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.7, 3.0]
+        ruby: [3.0, 3.1, 3.2]
 
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:

.github/workflows/rubocop.yml

@@ -1,7 +1,7 @@
 require_relative 'lib/appium_lib/version'
 
 Gem::Specification.new do |s|
-  s.required_ruby_version = '>= 2.7'
+  s.required_ruby_version = '>= 3.0'
 
   s.name          = 'appium_lib'
   s.version       = Appium::VERSION