Drop ruby 2.2 support

.github/workflows/windows.yml

@@ -8,18 +8,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.7, 2.6, 2.5, 2.4, 2.3, 2.2]
+        ruby: [2.7, 2.6, 2.5, 2.4, 2.3]
     steps:
     - uses: actions/checkout@master
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
-    - name: Update MSYS2
-      uses: MSP-Greg/msys2-action@master
-      with:
-        base: update
-        mingw: sqlite3
     - name: Install dependencies
       run: |
         ruby -e "Dir['{,spec/**/}Gemfile.lock'].each { |f| File.write(f, File.read(f).split('BUNDLED WITH').first)}"

.travis.yml

@@ -1,7 +1,6 @@
 env:
   - RUBYOPT=-W0
 rvm:
-  - 2.2
   - 2.3
   - 2.4
   - 2.5

parallel_tests.gemspec

@@ -16,5 +16,5 @@ Gem::Specification.new name, ParallelTests::VERSION do |s|
   s.license = "MIT"
   s.executables = ["parallel_spinach", "parallel_cucumber", "parallel_rspec", "parallel_test"]
   s.add_runtime_dependency "parallel"
-  s.required_ruby_version = '>= 2.2.0'
+  s.required_ruby_version = '>= 2.3.0'
 end

spec/fixtures/rails51/Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: ../../..
   specs:
-    parallel_tests (2.31.0)
+    parallel_tests (2.32.0)
       parallel
 
 GEM

spec/fixtures/rails52/Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: ../../..
   specs:
-    parallel_tests (2.31.0)
+    parallel_tests (2.32.0)
       parallel
 
 GEM