Migrate spec/javascripts/deploy_keys/ to Jest

Description

Let's migrate the specs in spec/javascripts/deploy_keys/ from Karma to Jest.

See the related epic for how to do this.

• spec/javascripts/deploy_keys/components/key_spec.js
• spec/javascripts/deploy_keys/components/action_btn_spec.js
• spec/javascripts/deploy_keys/components/app_spec.js
• spec/javascripts/deploy_keys/components/keys_panel_spec.js