Run rubocop in github actions rather than in codeclimate

.codeclimate.yml

@@ -2,7 +2,3 @@ checks:
   method-complexity:
     config:
       threshold: 6 # should be just fine
-
-plugins:
-  rubocop:
-    enabled: true

.github/workflows/ci.yml

@@ -3,15 +3,15 @@ name: Lint & Test
 on: [push, pull_request]
 
 jobs:
-  # lint:
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - uses: actions/checkout@v3
-  #     - uses: ruby/setup-ruby@v1
-  #       with:
-  #         ruby-version: '3.0'
-  #         bundler-cache: true
-  #     - run: bundle exec rubocop
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.0'
+          bundler-cache: true
+      - run: bundle exec rubocop
 
   test:
     runs-on: ubuntu-latest

spec/telegram/bot/config_methods_spec.rb

@@ -27,7 +27,8 @@
 
     context 'when bot is not configured' do
       let(:config) { super().except(:default) }
-      it { should raise_error(/bot is not configured/) }
+      it { should
+      raise_error(/bot is not configured/) }
     end
   end