Optimized workflow to use less jobs

.github/workflows/main.yml

@@ -8,9 +8,9 @@ on:
   pull_request:
 
 jobs:
-  rubocop:
+  rubocop_and_minitest:
     runs-on: ubuntu-latest
-    name: Rubocop
+    name: Rubocop and Minitest
     strategy:
       matrix:
         ruby:
@@ -23,45 +23,7 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
-      - name: Cache gems
-        uses: actions/cache@v1
-        with:
-          path: vendor/bundle
-          key: ${{ runner.os }}-rubocop-${{ hashFiles('**/Gemfile.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-rubocop-
-      - name: Install gems
-        run: |
-          bundle config path vendor/bundle
-          bundle install --jobs 4 --retry 3
       - name: Run Rubocop
         run: bundle exec rubocop --parallel
-
-  minitest:
-    runs-on: ubuntu-latest
-    name: Minitest
-    strategy:
-      matrix:
-        ruby:
-          - '3.2.2'
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: ${{ matrix.ruby }}
-          bundler-cache: true
-      - name: Cache gems
-        uses: actions/cache@v1
-        with:
-          path: vendor/bundle
-          key: ${{ runner.os }}-rubocop-${{ hashFiles('**/Gemfile.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-rubocop-
-      - name: Install gems
-        run: |
-          bundle config path vendor/bundle
-          bundle install --jobs 4 --retry 3
       - name: Run Minitest
         run: bundle exec rake test