Another attempt at fixing Rubocop

Author: johnnyshields

.github/workflows/rubocop.yml

@@ -8,13 +8,17 @@ jobs:
     runs-on: ubuntu-latest
     env:
       CI: true
-      TESTOPTS: "-v"
+      TESTOPTS: '-v'
     steps:
       - uses: actions/checkout@v3
       - name: Set up Ruby 3.0
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.0
           bundler-cache: true
+
+      - name: Install dependencies
+        run: bundle install
+
       - name: Run RuboCop
         run: bundle exec rubocop --parallel

.rubocop.yml

@@ -12,4 +12,6 @@ AllCops:
     - 'lib/**/*'
   Exclude:
     - '**/*.xsd'
-    - 'vendor/**/*.rb'
+    - '.git/**/*'
+    - 'tmp/**/*'
+    - 'vendor/**/*'