ci: Update ruby jobs to use rake.

Author: jamesiarmes

.github/workflows/ruby.yaml

@@ -60,7 +60,7 @@ jobs:
           working-directory: ${{ matrix.dir }}
       - name: RuboCop Linter
         working-directory: ${{ matrix.dir }}
-        run: bundle exec rubocop
+        run: bundle exec rake rubocop
 
   spec:
     name: Run ruby tests
@@ -81,4 +81,4 @@ jobs:
           working-directory: ${{ matrix.dir }}
       - name: Run tests
         working-directory: ${{ matrix.dir }}
-        run: bundle exec rspec
+        run: bundle exec rake spec