Bump to Ruby 3

[CloCkWeRX]

• Ruby 3 Support comfy/comfortable-mexican-sofa#947
• Failing specs seem to pass locally

[Br3nda]

the CMS stuff almost never gets changed so could be just a static page and remove that gem

[CloCkWeRX]

Assuming tests pass, this might be good to go.

[CloCkWeRX]

2022-04-16T15:17:53.5760550Z Deprecation Warnings:
2022-04-16T15:17:53.5760749Z 
2022-04-16T15:17:53.5760795Z 
2022-04-16T15:17:53.5761970Z The implicit block expectation syntax is deprecated, you should pass a block rather than an argument to `expect` to use the provided block expectation matcher or the matcher must implement `supports_value_expectations?`. e.g  `expect { value }.to raise ActiveRecord::RecordNotFound` not `expect(value).to raise ActiveRecord::RecordNotFound`
2022-04-16T15:17:53.5763518Z The implicit block expectation syntax is deprecated, you should pass a block rather than an argument to `expect` to use the provided block expectation matcher or the matcher must implement `supports_value_expectations?`. e.g  `expect { value }.to raise ActiveRecord::RecordNotFound` not `expect(value).to raise ActiveRecord::RecordNotFound`
2022-04-16T15:17:53.5764125Z 
2022-04-16T15:17:53.5765111Z The implicit block expectation syntax is deprecated, you should pass a block rather than an argument to `expect` to use the provided block expectation matcher or the matcher must implement `supports_value_expectations?`. e.g  `expect { value }.to raise Exception` not `expect(value).to raise Exception`
2022-04-16T15:17:53.5766462Z The implicit block expectation syntax is deprecated, you should pass a block rather than an argument to `expect` to use the provided block expectation matcher or the matcher must implement `supports_value_expectations?`. e.g  `expect { value }.to raise Exception` not `expect(value).to raise Exception`
2022-04-16T15:17:53.5767939Z The implicit block expectation syntax is deprecated, you should pass a block rather than an argument to `expect` to use the provided block expectation matcher or the matcher must implement `supports_value_expectations?`. e.g  `expect { value }.to raise Exception` not `expect(value).to raise Exception`
2022-04-16T15:17:53.5768751Z