Third party libraries for CM/Track V2 updated (#642673)

The following third party libraries used in CM/Track V2 have been updated:

• gradle: update from version 4.10.3 to version 6.2
• grails: update from version 3.3.11 to version 4.0.2

The library updates cause some API changes which affect custom projects of CM/Track V2. Custom projects need to be updated.