[Full Changelog](https://github.com/c9s/bbgo/compare/v1.49.0...main)

 - [#1214](https://github.com/c9s/bbgo/pull/1214): REFACTOR: [bollmaker] upgrade to indicator v2
 - [#1213](https://github.com/c9s/bbgo/pull/1213): FEATURE: add v2 indicator set api
 - [#1215](https://github.com/c9s/bbgo/pull/1215): FIX: [grid2] use tryLock during the openGrid process