Resolve rubocop-rails Rails/SkipsModelValidations warnings

[tas50]

I'm going to disable these to get the builds green for now, but we should investigate these warnings and see what's necessary to resolve them:

 Offenses:

Error: app/controllers/api/v1/cookbook_versions_controller.rb:26:21: C: Rails/SkipsModelValidations: Avoid using increment_counter because it skips validations.
    CookbookVersion.increment_counter(:api_download_count, @cookbook_version.id)
                    ^^^^^^^^^^^^^^^^^
Error: app/controllers/api/v1/cookbook_versions_controller.rb:27:14: C: Rails/SkipsModelValidations: Avoid using increment_counter because it skips validations.
    Cookbook.increment_counter(:api_download_count, @cookbook.id)
             ^^^^^^^^^^^^^^^^^
Error: app/controllers/cookbook_versions_controller.rb:10:21: C: Rails/SkipsModelValidations: Avoid using increment_counter because it skips validations.
    CookbookVersion.increment_counter(:web_download_count, @version.id)
                    ^^^^^^^^^^^^^^^^^
Error: app/controllers/cookbook_versions_controller.rb:11:14: C: Rails/SkipsModelValidations: Avoid using increment_counter because it skips validations.
    Cookbook.increment_counter(:web_download_count, @cookbook.id)
             ^^^^^^^^^^^^^^^^^
Error: spec/controllers/api/v1/cookbooks_controller_spec.rb:25:20: C: Rails/SkipsModelValidations: Avoid using touch because it skips validations.
      slow_cooking.touch
                   ^^^^^
Error: spec/controllers/cookbooks_controller_spec.rb:48:20: C: Rails/SkipsModelValidations: Avoid using touch because it skips validations.
        cookbook_2.touch
                   ^^^^^
Error: spec/models/cookbook_spec.rb:734:13: C: Rails/SkipsModelValidations: Avoid using touch because it skips validations.
      great.touch
            ^^^^^

383 files inspected, 7 offenses detected
Error: Process completed with exit code 1.

[tas50]

Config actually resolved these warnings