Create new spam protection concern for mutations

app/assets/javascripts/lib/graphql.js

app/assets/javascripts/snippets/components/edit.vue

...scripts/snippets/mutations/createSnippet.mutation.graphql

...scripts/snippets/mutations/updateSnippet.mutation.graphql

...phql/mutations/concerns/mutations/can_mutate_spammable.rb

app/graphql/mutations/concerns/mutations/spam_protection.rb

app/graphql/mutations/snippets/create.rb

app/graphql/mutations/snippets/update.rb

app/services/issues/create_service.rb

app/services/issues/update_service.rb

app/services/snippets/create_service.rb

app/services/snippets/update_service.rb

app/services/spam/spam_action_service.rb

app/services/spam/spam_params.rb

doc/api/graphql/index.md

doc/api/graphql/reference/index.md

lib/spam/concerns/has_spam_action_response_fields.rb

spec/frontend/captcha/apollo_captcha_link_spec.js

spec/frontend/snippets/components/edit_spec.js

...mutations/concerns/mutations/can_mutate_spammable_spec.rb