Changes to POST /v1/subscriptions

removed the request body

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

the security scope https://www.googleapis.com/auth/chat.app.all.memberships.readonly was added to the endpoint's security scheme Oauth2

the security scope https://www.googleapis.com/auth/chat.app.all.memberships.readonly was added to the endpoint's security scheme Oauth2c

the security scope https://www.googleapis.com/auth/meetings.space.readonly was removed from the endpoint's security scheme Oauth2

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

the security scope https://www.googleapis.com/auth/chat.app.all.memberships.readonly was added to the endpoint's security scheme Oauth2

the security scope https://www.googleapis.com/auth/chat.app.all.memberships.readonly was added to the endpoint's security scheme Oauth2c

the security scope https://www.googleapis.com/auth/meetings.space.readonly was removed from the endpoint's security scheme Oauth2

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