Changes to GET /v1/:parent/revisions

removed the media type */* for the response with the status 200

the security scope https://www.googleapis.com/auth/cloud-platform was added to the endpoint's security scheme Oauth2

the security scope https://www.googleapis.com/auth/cloud-platform was added to the endpoint's security scheme Oauth2c

the security scope https://www.googleapis.com/auth/redis.read-write was removed from the endpoint's security scheme Oauth2

the security scope https://www.googleapis.com/auth/redis.read-write was removed from the endpoint's security scheme Oauth2c

endpoint added