Changes to POST /v1alpha1/installer:validate

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/sasportal was removed from the endpoint's security scheme Oauth2

the security scope https://www.googleapis.com/auth/sasportal was removed from the endpoint's security scheme Oauth2c