Legacy WAF-Configuration sets

Number of APIs: 3

1. List configuration sets GET {{fastly_url}}/wafs/configuration_sets

2. List WAFs currently using a configuration set GET {{fastly_url}}/wafs/configuration_sets/{{configuration_set_id}}/relationships/wafs

3. Apply a configuration set to a WAF PATCH {{fastly_url}}/wafs/configuration_sets/{{configuration_set_id}}/relationships/wafs