removed matrices from linting jobs

Author: Oaphi

.github/workflows/ci-cd.yml

@@ -10,6 +10,7 @@ on:
 
 env:
   RAILS_ENV: test
+  RUBY_VERSION: 3.2
 
 permissions:
   actions: write
@@ -36,7 +37,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: ${{ matrix.ruby_version }}
+          ruby-version: ${{ env.RUBY_VERSION }}
           bundler-cache: true
       - run: bundle exec erb_lint --lint-all
 
@@ -58,7 +59,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: ${{ matrix.ruby_version }}
+          ruby-version: ${{ env.RUBY_VERSION }}
           bundler-cache: true
       - run: bundle exec rubocop