* [16617] Source BigQuery: added user agent header * [16617] Source BigQuery: added user agent header * [16617] Source BigQuery: added user agent header updated image tag, added changelog * [16617] Source BigQuery: added user agent header fixed NPE * auto-bump connector version [ci skip] Co-authored-by: Octavia Squidington III <octavia-squidington-iii@users.noreply.github.com>