Changes to Activity time series

api operation id getCompanyBySlugActivity was added

the endpoint scheme security apiKey was added to the API

the endpoint scheme security bearerAuth was added to the API

added the new optional header request parameter If-None-Match

added the non-success response with the status 304

added the non-success response with the status 404

added the non-success response with the status 429

added the non-success response with the status 503

added the required property count to the response with the 200 status

added the required property series to the response with the 200 status

added the required property slug to the response with the 200 status